ULCS Isotope Atlas

Batches (1-13)

Set: CHNOPS + Se + Fe
Focus: Life anchors (core bio elements)
Format: Isotope table + ULCS notes + Etymology

📖 ULCS Isotope Atlas — Batch 1 (Life Anchors)

Hydrogen (Element #1, Symbol H)

Etymology (Element): From Greek hydro- (“water”) + -gen (“producer, former”).
Etymology (Isotope Morphology): isó (equal) + tópos (place): isotopes = “same place” in periodic table.

Isotope IDNotationStabilityHalf-lifeDominant DecayAbundance/Origin
iso.H.1¹HStable∞—99.985%
iso.H.2²H (D)Stable∞—0.015%
iso.H.3³H (T)Radioactive12.32 yβ⁻ → ³HeCosmogenic, reactor

ULCS Notes

  • iso.H.1 — Protium
  • Role: Noun; Aspect: eternal (stable)
  • Morphology: H +[1]
  • Semantics: Archetypal “noun” of matter, linguistic zero-point
  • Domains: cosmology, chem, bio
  • Uses: baseline, fuel

– Etymology: “Proto-” root = first, original.

  • iso.H.2 — Deuterium
  • Role: Noun; Aspect: stable, doubled
  • Morphology: H +[2]
  • Semantics: “Second noun” → balance, doubling
  • Domains: oceanography, fusion
  • Uses: heavy water, tracing

– Etymology: deuteros (Greek, “second”).

  • iso.H.3 — Tritium
  • Role: Verb; Aspect: short-term (decadal)
  • Morphology: H +[3]
  • Semantics: “Third form” → time-marker verb
  • Domains: hydrology, nuclear, defense
  • Uses: fusion, tracer, exit signs
  • Chain: ³H → ³He
  • Etymology: tritos (Greek, “third”).

Carbon (Element #6, Symbol C)

Etymology (Element): From Latin carbo (“coal, charcoal”).

Isotope IDNotationStabilityHalf-lifeDominant DecayAbundance/Origin
iso.C.12¹²CStable∞—98.9%
iso.C.13¹³CStable∞—1.1%
iso.C.14¹⁴CRadioactive5,730 yβ⁻ → ¹⁴NCosmogenic

ULCS Notes

  • iso.C.12 — ¹²C
  • Role: Noun; Aspect: eternal
  • Semantics: Standard “charcoal” atom, life backbone
  • Domains: bio, chem, cosmos

– Etymology: carbo → coal

  • iso.C.13 — ¹³C
  • Role: Adjective; Aspect: stable
  • Semantics: “Rare variant” for tracers
  • Uses: metabolic labeling

– Etymology: suffix = numeric morphology

  • iso.C.14 — ¹⁴C
  • Role: Verb; Aspect: long-term (millennia)
  • Semantics: “Clock isotope” — language of time
  • Domains: archaeology, geology
  • Chain: ¹⁴C → ¹⁴N
  • Etymology: “Radio-” (Latin radius, ray) + decay.

Nitrogen (Element #7, Symbol N)

Etymology (Element): From French nitrogène (1787, Lavoisier), “niter-former” (niter = saltpeter, + Greek -gen).

Isotope IDNotationStabilityHalf-lifeDecayAbundance
iso.N.14¹⁴NStable∞—99.63%
iso.N.15¹⁵NStable∞—0.37%

ULCS Notes

  • iso.N.14 — ¹⁴N
  • Role: Noun; Aspect: eternal
  • Semantics: Atmosphere’s main anchor
  • Domains: bio (proteins), air

– Etymology: nitron (soda) + gen (producer)

  • iso.N.15 — ¹⁵N
  • Role: Adjective
  • Uses: tracer in ecology
  • Etymology: numeric morphology.

Oxygen (Element #8, Symbol O)

Etymology (Element): From Greek oxys (“sharp, acid”) + -gen (“producer”).

Isotope IDNotationStabilityHalf-lifeAbundance
iso.O.16¹⁶OStable∞99.76%
iso.O.17¹⁷OStable∞0.04%
iso.O.18¹⁸OStable∞0.20%

ULCS Notes

  • iso.O.16 — ¹⁶O
  • Role: Noun
  • Semantics: Breath of life

– Etymology: oxys (acid, sharp)

  • iso.O.17 — ¹⁷O
  • Role: Adjective
  • Uses: tracer in hydrology

– Etymology: numeric morphology

  • iso.O.18 — ¹⁸O
  • Role: Adjective
  • Semantics: isotopic ratio language
  • Uses: paleoclimate studies
  • Etymology: numeric morphology.

Phosphorus (Element #15, Symbol P)

Etymology (Element): From Greek phōs (“light”) + phoros (“bearer”) → “light-bearer.”

Isotope IDNotationStabilityHalf-lifeDecayAbundance
iso.P.31³¹PStable∞—100%
iso.P.32³²PRadioactive14.3 dβ⁻—

ULCS Notes

  • iso.P.31 — ³¹P
  • Role: Noun
  • Semantics: Life’s backbone (DNA, ATP)

– Etymology: phosphoros, “light-bearer”

  • iso.P.32 — ³²P
  • Role: Verb
  • Semantics: Decay → tracer
  • Uses: medical tracer, agriculture
  • Etymology: numeric morphology.

Sulfur (Element #16, Symbol S)

Etymology (Element): From Latin sulphur (“brimstone”).

Isotope IDNotationStabilityHalf-lifeAbundance
iso.S.32³²SStable∞94.99%
iso.S.33³³SStable∞0.75%
iso.S.34³⁴SStable∞4.25%
iso.S.36³⁶SStable∞0.01%

ULCS Notes

  • iso.S.32 — ³²S
  • Role: Noun
  • Semantics: Volcanic brimstone

– Etymology: sulphur (brimstone)

  • iso.S.33, ³⁴S, ³⁶S
  • Role: Adjectives
  • Uses: isotopic fractionation studies
  • Etymology: numeric morphology.

Selenium (Element #34, Symbol Se)

Etymology (Element): From Greek selēnē (“moon”).

Isotope IDNotationStabilityHalf-lifeAbundance
iso.Se.74⁷⁴SeStable∞0.89%
iso.Se.76⁷⁶SeStable∞9.37%
iso.Se.77⁷⁷SeStable∞7.63%
iso.Se.78⁷⁸SeStable∞23.77%
iso.Se.80⁸⁰SeStable∞49.61%
iso.Se.82⁸²SeStable∞8.73%

ULCS Notes

  • Stable isotopes (74–82Se)
  • Roles: Noun/Adjectives
  • Semantics: Moon-linked trace element
  • Uses: bio-cofactor, electronics
  • Etymology: selēnē, moon.

Iron (Element #26, Symbol Fe)

Etymology (Element): From Anglo-Saxon iren, Latin ferrum.

Isotope IDNotationStabilityHalf-lifeAbundance
iso.Fe.54⁵⁴FeStable∞5.8%
iso.Fe.56⁵⁶FeStable∞91.7%
iso.Fe.57⁵⁷FeStable∞2.1%
iso.Fe.58⁵⁸FeStable∞0.3%

ULCS Notes

  • iso.Fe.56 — ⁵⁶Fe
  • Role: Noun
  • Semantics: Cosmic anchor (fusion endpoint in stars)
  • Domains: planetary cores, hemoglobin

– Etymology: ferrum (iron)

  • Others (⁵⁴, ⁵⁷, ⁵⁸Fe)
  • Roles: Adjectives
  • Uses: tracer studies, Mössbauer spectroscopy
  • Etymology: numeric morphology.

ULCS Isotope Atlas — Batch 2

Set: Geochronometers (timekeepers of Earth & cosmos)
Focus: Potassium, Rubidium, Strontium, Samarium, Lutetium, Rhenium
Format: Isotope table + ULCS notes + Etymology

Potassium (Element #19, Symbol K)

Etymology (Element): From potash (plant ashes, source of K₂CO₃). Symbol K from Latin kalium (Arabic al-qalyah, “plant ashes”).

Isotope IDNotationStabilityHalf-lifeDecayAbundance
iso.K.39³⁹KStable∞—93.3%
iso.K.40⁴⁰KRadioactive1.248 × 10⁹ yrβ⁻ → ⁴⁰Ca (89%) / EC → ⁴⁰Ar (11%)0.0117%
iso.K.41⁴¹KStable∞—6.7%

ULCS Notes

  • iso.K.40 — ⁴⁰K
  • Role: Verb (deep-time)
  • Aspect: Billion-year half-life → cosmic clock
  • Semantics: Decays two ways (Ca & Ar) → “dual-voice verb”
  • Uses: K–Ar and Ar–Ar dating (volcanic rocks, fossils)
  • Etymology: kalium root + numeric 40 → “time salt”

Rubidium (Element #37, Symbol Rb)

Etymology (Element): From Latin rubidus (“deep red”), spectral lines red.

Isotope IDNotationStabilityHalf-lifeDecayAbundance
iso.Rb.85⁸⁵RbStable∞—72.2%
iso.Rb.87⁸⁷RbRadioactive4.88 × 10¹⁰ yrβ⁻ → ⁸⁷Sr27.8%

ULCS Notes

  • iso.Rb.87 — ⁸⁷Rb
  • Role: Verb (cosmic-deep time)
  • Aspect: 49 billion yr half-life (older than universe’s age)
  • Semantics: “Verb beyond measure” — archetype of persistence
  • Uses: Rb–Sr dating
  • Etymology: rubidus, deep red — language of spectral clocks

Strontium (Element #38, Symbol Sr)

Etymology (Element): Named after Strontian, village in Scotland (where ore was discovered).

Isotope IDNotationStabilityHalf-lifeDecayAbundance
iso.Sr.84⁸⁴SrStable∞—0.56%
iso.Sr.86⁸⁶SrStable∞—9.86%
iso.Sr.87⁸⁷SrStable∞—7.0%
iso.Sr.88⁸⁸SrStable∞—82.6%

ULCS Notes

  • iso.Sr.87 — ⁸⁷Sr
  • Role: Adjective (product of decay)
  • Aspect: Daughter of ⁸⁷Rb
  • Semantics: “Inherited speech” → trace lineage of time
  • Uses: Geochronology, isotope geochemistry
  • Etymology: Place-name → “stone word.”

Samarium (Element #62, Symbol Sm)

Etymology (Element): Named after mineral samarskite (from Russian official Vasili Samarsky).

Isotope IDNotationStabilityHalf-lifeDecayAbundance
iso.Sm.147¹⁴⁷SmRadioactive1.06 × 10¹¹ yrα → ¹⁴³Nd15%
iso.Sm.148¹⁴⁸SmStable∞—11%
iso.Sm.149¹⁴⁹SmStable∞—13%
iso.Sm.150¹⁵⁰SmStable∞—7%
iso.Sm.152¹⁵²SmStable∞—27%
iso.Sm.154¹⁵⁴SmStable∞—23%

ULCS Notes

  • iso.Sm.147 — ¹⁴⁷Sm
  • Role: Verb (geological era scale)
  • Aspect: α-decay to ¹⁴³Nd, half-life ~100 billion yr
  • Semantics: “Epochal verb” — spans beyond Earth’s lifespan
  • Uses: Sm–Nd dating (mantle-crust evolution)
  • Etymology: Russian root, imported into ULCS grammar.

Lutetium (Element #71, Symbol Lu)

Etymology (Element): From Lutetia, Latin name for Paris.

Isotope IDNotationStabilityHalf-lifeDecayAbundance
iso.Lu.175¹⁷⁵LuStable∞—97.4%
iso.Lu.176¹⁷⁶LuRadioactive3.78 × 10¹⁰ yrβ⁻ → ¹⁷⁶Hf2.6%

ULCS Notes

  • iso.Lu.176 — ¹⁷⁶Lu
  • Role: Verb (deep-time resonator)
  • Aspect: Half-life ~38 billion yr
  • Semantics: “Parisian verb” → cultural-linguistic resonance
  • Uses: Lu–Hf dating
  • Etymology: Lutetia → word-place fossilized in isotope.

Rhenium (Element #75, Symbol Re)

Etymology (Element): From Latin Rhenus (the Rhine River).

Isotope IDNotationStabilityHalf-lifeDecayAbundance
iso.Re.185¹⁸⁵ReStable∞—37%
iso.Re.187¹⁸⁷ReRadioactive4.1 × 10¹⁰ yrβ⁻ → ¹⁸⁷Os63%

ULCS Notes

  • iso.Re.187 — ¹⁸⁷Re
  • Role: Verb (cosmic deep-time)
  • Aspect: 41 billion yr half-life
  • Semantics: “River verb” — erosion of time into Os
  • Uses: Re–Os dating (ore deposits, mantle)
  • Etymology: Rhine = flowing word → isotope as flowkeeper.

ULCS Isotope Atlas — Batch 4

Set: Stable Isotope Systems — C, O, H, N, S
Focus: Life Isotopes (carbon, oxygen, hydrogen, nitrogen, sulfur)
Format: Isotope table + ULCS notes + Etymology

Carbon (Element #6, Symbol C)

Etymology (Element): Latin carbo = “charcoal, coal.” Root of “carbonic.”

Isotope IDNotationStabilityAbundanceNotes
iso.C.12¹²CStable98.93%Standard of atomic mass
iso.C.13¹³CStable1.07%Records photosynthesis
iso.C.14¹⁴CRadioactiveTraceHalf-life 5730 yr → radiocarbon dating

ULCS Notes

  • iso.C.12 — ¹²C
  • Role: Noun/verb root — “life backbone.”
  • ULCS Code: “baseline word.”
  • iso.C.13 — ¹³C
  • Role: Adjective — differentiates C3 vs C4 plants, diet markers.
  • ULCS Code: “dialect word.”
  • iso.C.14 — ¹⁴C
  • Role: Verb of time — measures 50,000 yr back.
  • ULCS Code: “chronicle word.”

Oxygen (Element #8, Symbol O)

Etymology (Element): From Greek oxys “sharp, acid” + genes “producer.”

Isotope IDNotationStabilityAbundanceNotes
iso.O.16¹⁶OStable99.76%Main isotope
iso.O.17¹⁷OStable0.04%Rare, diagnostic
iso.O.18¹⁸OStable0.20%Climate proxy (ice cores)

ULCS Notes

  • iso.O.16 — ¹⁶O
  • Role: Universal noun (air root).
  • ULCS Code: “breath word.”
  • iso.O.18 — ¹⁸O
  • Role: Climate adverb — records temperature, rainfall.
  • ULCS Code: “memory word.”

Hydrogen (Element #1, Symbol H)

Etymology (Element): From Greek hydro “water” + genes “producer.”

Isotope IDNotationStabilityAbundanceNotes
iso.H.1¹HStable99.98%Protium
iso.H.2²H (D)Stable0.02%Deuterium, tracer
iso.H.3³H (T)RadioactiveTraceHalf-life 12.3 yr, fusion fuel

ULCS Notes

  • iso.H.1 — ¹H
  • Role: Article/root — simplest word.
  • ULCS Code: “seed word.”
  • iso.H.2 — ²H
  • Role: Modifier — climate & hydrology tracer.
  • ULCS Code: “accent word.”
  • iso.H.3 — ³H
  • Role: Verb (future energy).
  • ULCS Code: “fusion word.”

Nitrogen (Element #7, Symbol N)

Etymology (Element): Greek nitron (soda, natron) + genes “producer.”

Isotope IDNotationStabilityAbundanceNotes
iso.N.14¹⁴NStable99.63%Dominant
iso.N.15¹⁵NStable0.37%Isotopic tracer

ULCS Notes

  • iso.N.14 — ¹⁴N
  • Role: Noun (sky air root).
  • ULCS Code: “silent word.”
  • iso.N.15 — ¹⁵N
  • Role: Verb/adverb (fixation, trophic levels).
  • ULCS Code: “food-chain word.”

Sulfur (Element #16, Symbol S)

Etymology (Element): Latin sulfur = “brimstone.” Ancient element of fire.

Isotope IDNotationStabilityAbundanceNotes
iso.S.32³²SStable95.02%Main isotope
iso.S.33³³SStable0.75%Rare
iso.S.34³⁴SStable4.21%Proxy for volcanic/biogenic sulfur
iso.S.36³⁶SStable0.02%Rare

ULCS Notes

  • iso.S.32 — ³²S
  • Role: Core noun — brimstone/fire root.
  • ULCS Code: “elemental word.”
  • iso.S.34 — ³⁴S
  • Role: Adverb — marks microbial sulfate reduction, volcanism.
  • ULCS Code: “earth-process word.”

ULCS Isotope Atlas — Batch 5

Set: Stellar/Nucleosynthetic Isotopes — Li, Be, B, He
Focus: Cosmic rarity, stellar processes, spallation origins
Format: Isotope table + ULCS notes + Etymology

Lithium (Element #3, Symbol Li)

Etymology (Element): Greek lithos = “stone.” Found first in minerals.

Isotope IDNotationStabilityAbundanceNotes
iso.Li.6⁶LiStable7.5%Cosmic ray spallation origin
iso.Li.7⁷LiStable92.5%Primordial Big Bang + cosmic rays

ULCS Notes

  • iso.Li.6 — ⁶Li
  • Role: Accent glyph — rare, delicate.
  • ULCS Code: “fragile word.”
  • iso.Li.7 — ⁷Li
  • Role: Core glyph — cosmic survivor of nucleosynthesis.
  • ULCS Code: “primordial word.”

Beryllium (Element #4, Symbol Be)

Etymology (Element): From beryl (mineral), Greek beryllos “sea-green gem.”

Isotope IDNotationStabilityAbundanceNotes
iso.Be.9⁹BeStable~100%Spallation in atmosphere/cosmos
iso.Be.10¹⁰BeRadioactiveTraceHalf-life 1.39 Myr, cosmic ray chronometer

ULCS Notes

  • iso.Be.9 — ⁹Be
  • Role: Noun — singular “survivor.”
  • ULCS Code: “resilient word.”
  • iso.Be.10 — ¹⁰Be
  • Role: Temporal adverb — cosmic clock in sediments.
  • ULCS Code: “cosmic-timer word.”

Boron (Element #5, Symbol B)

Etymology (Element): From borax (Arabic būraq < Persian burah).

Isotope IDNotationStabilityAbundanceNotes
iso.B.10¹⁰BStable19.9%Neutron absorber (reactors)
iso.B.11¹¹BStable80.1%Cosmic-ray spallation origin

ULCS Notes

  • iso.B.10 — ¹⁰B
  • Role: Defensive verb — absorbs neutrons.
  • ULCS Code: “shield word.”
  • iso.B.11 — ¹¹B
  • Role: Cosmic noun — marker of interstellar processes.
  • ULCS Code: “stellar word.”

Helium (Element #2, Symbol He)

Etymology (Element): Greek helios = “sun,” first detected in solar spectra.

Isotope IDNotationStabilityAbundanceNotes
iso.He.3³HeStableTracePrimordial, cosmic rays, fusion interest
iso.He.4⁴HeStable99.999%+Alpha particle, fusion product

ULCS Notes

  • iso.He.3 — ³He
  • Role: Future-oriented adverb — candidate for fusion fuel.
  • ULCS Code: “prospective word.”
  • iso.He.4 — ⁴He
  • Role: Universal period — alpha particle, nuclear full stop.
  • ULCS Code: “closure word.”

ULCS Isotope Atlas — Batch 6

Set: Heavy Stable Transition Isotopes — Fe, Cu, Zn, Sr
Focus: Structural abundance, redox cycles, planetary scaffolding
Format: Isotope table + ULCS notes + Etymology

Iron (Element #26, Symbol Fe)

Etymology (Element): Latin ferrum, root of “ferrous.”

Isotope IDNotationStabilityAbundanceNotes
iso.Fe.54⁵⁴FeStable5.8%Precursor in stellar fusion
iso.Fe.56⁵⁶FeStable91.8%End product of stellar nucleosynthesis
iso.Fe.57⁵⁷FeStable2.1%Mössbauer spectroscopy anchor
iso.Fe.58⁵⁸FeStable0.3%Rare, neutron-rich

ULCS Notes

  • iso.Fe.54 — ⁵⁴Fe → “incipient word” — cosmic prelude.
  • iso.Fe.56 — ⁵⁶Fe → “terminal word” — fusion endpoint, universal consonant.
  • iso.Fe.57 — ⁵⁷Fe → “resonant word” — Mössbauer grammar of nuclei.
  • iso.Fe.58 — ⁵⁸Fe → “rarified word” — margin of stability.

Copper (Element #29, Symbol Cu)

Etymology (Element): Latin cuprum, from aes Cyprium = “metal of Cyprus.”

Isotope IDNotationStabilityAbundanceNotes
iso.Cu.63⁶³CuStable69%Conductivity metal
iso.Cu.65⁶⁵CuStable31%Complementary isotope

ULCS Notes

  • iso.Cu.63 — ⁶³Cu → “flow word” — electron river, conductor glyph.
  • iso.Cu.65 — ⁶⁵Cu → “balancing word” — isotopic counterweight.

Zinc (Element #30, Symbol Zn)

Etymology (Element): German zinke “prong, tooth.”

Isotope IDNotationStabilityAbundanceNotes
iso.Zn.64⁶⁴ZnStable48.6%Biological cofactor
iso.Zn.66⁶⁶ZnStable27.9%Stable support
iso.Zn.67⁶⁷ZnStable4.1%NMR-visible
iso.Zn.68⁶⁸ZnStable18.8%Abundant
iso.Zn.70⁷⁰ZnStable0.6%Rare

ULCS Notes

  • iso.Zn.64 — ⁶⁴Zn → “enzyme word” — catalytic role.
  • iso.Zn.66 — ⁶⁶Zn → “structural word” — balance point.
  • iso.Zn.67 — ⁶⁷Zn → “signal word” — NMR resonance.
  • iso.Zn.68 — ⁶⁸Zn → “support word” — stabilizer glyph.
  • iso.Zn.70 — ⁷⁰Zn → “whisper word” — rare, subtle.

Strontium (Element #38, Symbol Sr)

Etymology (Element): From Strontian, Scotland.

Isotope IDNotationStabilityAbundanceNotes
iso.Sr.84⁸⁴SrStable0.56%Rare
iso.Sr.86⁸⁶SrStable9.9%Geological tracer
iso.Sr.87⁸⁷SrStable7.0%Daughter of ⁸⁷Rb decay
iso.Sr.88⁸⁸SrStable82.6%Dominant

ULCS Notes

  • iso.Sr.84 — ⁸⁴Sr → “ghost word” — rare utterance.
  • iso.Sr.86 — ⁸⁶Sr → “map word” — isotope geolocation.
  • iso.Sr.87 — ⁸⁷Sr → “ancestry word” — radiogenic lineage.
  • iso.Sr.88 — ⁸⁸Sr → “pillar word” — strontium column.

ULCS Isotope Atlas — Batch 7

Set: Precious & Catalyst Isotopes — Ag, Pd, Pt, Au, Hg
Focus: Rarity, conductivity, catalytic transformation
Format: Isotope table + ULCS notes + Etymology

Silver (Element #47, Symbol Ag)

Etymology (Element): Latin argentum, from PIE h₂erǵ- = “white, shining.”

Isotope IDNotationStabilityAbundanceNotes
iso.Ag.107¹⁰⁷AgStable51.8%Radiogenic from ¹⁰⁷Pd
iso.Ag.109¹⁰⁹AgStable48.2%Balanced isotope

ULCS Notes

  • iso.Ag.107 — ¹⁰⁷Ag → “ancestral word” — radiogenic memory (Pd parent).
  • iso.Ag.109 — ¹⁰⁹Ag → “mirror word” — reflective balance.

Palladium (Element #46, Symbol Pd)

Etymology (Element): Named after asteroid Pallas, itself from Greek Pallas Athena (goddess of wisdom).

Isotope IDNotationStabilityAbundanceNotes
iso.Pd.102¹⁰²PdStable1.0%Rare
iso.Pd.104¹⁰⁴PdStable11.1%
iso.Pd.105¹⁰⁵PdStable22.3%
iso.Pd.106¹⁰⁶PdStable27.3%
iso.Pd.108¹⁰⁸PdStable26.5%
iso.Pd.110¹¹⁰PdStable11.7%

ULCS Notes

  • iso.Pd.102 — ¹⁰²Pd → “rare glyph.”
  • iso.Pd.104 — ¹⁰⁴Pd → “stability glyph.”
  • iso.Pd.105 — ¹⁰⁵Pd → “wisdom glyph.”
  • iso.Pd.106 — ¹⁰⁶Pd → “catalyst glyph.”
  • iso.Pd.108 — ¹⁰⁸Pd → “balance glyph.”
  • iso.Pd.110 — ¹¹⁰Pd → “completion glyph.”

Platinum (Element #78, Symbol Pt)

Etymology (Element): Spanish platina “little silver” (diminutive of plata).

Isotope IDNotationStabilityAbundanceNotes
iso.Pt.190¹⁹⁰PtStable0.01%Extremely rare
iso.Pt.192¹⁹²PtStable0.78%
iso.Pt.194¹⁹⁴PtStable32.9%
iso.Pt.195¹⁹⁵PtStable33.8%NMR-visible
iso.Pt.196¹⁹⁶PtStable25.2%
iso.Pt.198¹⁹⁸PtStable7.2%

ULCS Notes

  • iso.Pt.190 — ¹⁹⁰Pt → “whisper glyph” — vanishingly rare.
  • iso.Pt.192 — ¹⁹²Pt → “trace glyph.”
  • iso.Pt.194 — ¹⁹⁴Pt → “pillar glyph.”
  • iso.Pt.195 — ¹⁹⁵Pt → “signal glyph” — NMR anchor.
  • iso.Pt.196 — ¹⁹⁶Pt → “structural glyph.”
  • iso.Pt.198 — ¹⁹⁸Pt → “crown glyph.”

Gold (Element #79, Symbol Au)

Etymology (Element): Latin aurum, from PIE h₂ews- “glow, dawn.”

Isotope IDNotationStabilityAbundanceNotes
iso.Au.197¹⁹⁷AuStable100%Monoisotopic, universal

ULCS Notes

  • iso.Au.197 — ¹⁹⁷Au → “eternal glyph” — singular, incorruptible, universal value.

Mercury (Element #80, Symbol Hg)

Etymology (Element): Named after Roman god Mercury (Hermes), god of speed/messenger. Symbol Hg from Latin hydrargyrum = “liquid silver.”

Isotope IDNotationStabilityAbundanceNotes
iso.Hg.196¹⁹⁶HgStable0.15%Rare
iso.Hg.198¹⁹⁸HgStable10.0%
iso.Hg.199¹⁹⁹HgStable17.0%NMR-active
iso.Hg.200²⁰⁰HgStable23.1%
iso.Hg.201²⁰¹HgStable13.2%
iso.Hg.202²⁰²HgStable29.6%Dominant
iso.Hg.204²⁰⁴HgStable6.9%

ULCS Notes

  • iso.Hg.196 — ¹⁹⁶Hg → “ghost glyph.”
  • iso.Hg.198 — ¹⁹⁸Hg → “transit glyph.”
  • iso.Hg.199 — ¹⁹⁹Hg → “messenger glyph” — nuclear spin, communication.
  • iso.Hg.200 — ²⁰⁰Hg → “balance glyph.”
  • iso.Hg.201 — ²⁰¹Hg → “subtle glyph.”
  • iso.Hg.202 — ²⁰²Hg → “sovereign glyph.”
  • iso.Hg.204 — ²⁰⁴Hg → “shadow glyph.”

ULCS Isotope Atlas — Batch 8

Set: Rare Earth Elements — Lanthanides (La → Lu)
Focus: Subtlety, magnetism, luminescence
Format: Isotope table + ULCS notes + Etymology

Lanthanum (Element #57, Symbol La)

Etymology: Greek lanthanein = “to lie hidden.”

Isotope IDNotationStabilityAbundanceNotes
iso.La.138¹³⁸LaLong-lived0.09%Primordial
iso.La.139¹³⁹LaStable99.91%Dominant

ULCS Notes

  • iso.La.138 — ¹³⁸La → “hidden glyph.”
  • iso.La.139 — ¹³⁹La → “revealed glyph.”

Cerium (Element #58, Symbol Ce)

Etymology: Named after asteroid Ceres (Roman goddess of agriculture).

Isotope IDNotationStabilityAbundance
iso.Ce.136¹³⁶CeLong-lived0.19%
iso.Ce.138¹³⁸CeStable0.25%
iso.Ce.140¹⁴⁰CeStable88.5%
iso.Ce.142¹⁴²CeStable11.1%

ULCS Notes

  • iso.Ce.136 — ¹³⁶Ce → “ancient glyph.”
  • iso.Ce.138 — ¹³⁸Ce → “minor glyph.”
  • iso.Ce.140 — ¹⁴⁰Ce → “harvest glyph.”
  • iso.Ce.142 — ¹⁴²Ce → “balanced glyph.”

Neodymium (Element #60, Symbol Nd)

Etymology: Greek neos “new” + didymos “twin.”

Isotope IDNotationStabilityAbundance
iso.Nd.142¹⁴²NdStable27.1%
iso.Nd.143¹⁴³NdStable12.2%
iso.Nd.144¹⁴⁴NdStable23.8%
iso.Nd.145¹⁴⁵NdStable8.3%
iso.Nd.146¹⁴⁶NdStable17.2%
iso.Nd.148¹⁴⁸NdStable5.7%
iso.Nd.150¹⁵⁰NdLong-lived5.6%

ULCS Notes

  • iso.Nd.142 — ¹⁴²Nd → “new twin glyph.”
  • iso.Nd.143 — ¹⁴³Nd → “resonance glyph.”
  • iso.Nd.144 — ¹⁴⁴Nd → “harmonic glyph.”
  • iso.Nd.145 — ¹⁴⁵Nd → “echo glyph.”
  • iso.Nd.146 — ¹⁴⁶Nd → “spectrum glyph.”
  • iso.Nd.148 — ¹⁴⁸Nd → “subtle glyph.”
  • iso.Nd.150 — ¹⁵⁰Nd → “decay glyph.”

Samarium (Element #62, Symbol Sm)

Etymology: Named after mineral samarskite, which honored Russian mine official Vasili Samarsky-Bykhovets.

Isotope IDNotationStabilityAbundance
iso.Sm.144¹⁴⁴SmLong-lived3.1%
iso.Sm.147¹⁴⁷SmLong-lived15.0%
iso.Sm.148¹⁴⁸SmStable11.2%
iso.Sm.149¹⁴⁹SmStable13.8%
iso.Sm.150¹⁵⁰SmStable7.4%
iso.Sm.152¹⁵²SmStable26.7%
iso.Sm.154¹⁵⁴SmStable22.8%

ULCS Notes

  • iso.Sm.144 — ¹⁴⁴Sm → “ancestral glyph.”
  • iso.Sm.147 — ¹⁴⁷Sm → “geochron glyph” (used in dating).
  • iso.Sm.148 — ¹⁴⁸Sm → “balanced glyph.”
  • iso.Sm.149 — ¹⁴⁹Sm → “absorber glyph” (nuclear cross-section).
  • iso.Sm.150 — ¹⁵⁰Sm → “rare glyph.”
  • iso.Sm.152 — ¹⁵²Sm → “dominant glyph.”
  • iso.Sm.154 — ¹⁵⁴Sm → “resonant glyph.”

Gadolinium (Element #64, Symbol Gd)

Etymology: Honors Johan Gadolin, Finnish chemist who discovered yttria.

Isotope IDNotationStabilityAbundance
iso.Gd.152¹⁵²GdLong-lived0.2%
iso.Gd.154¹⁵⁴GdStable2.2%
iso.Gd.155¹⁵⁵GdStable14.8%
iso.Gd.156¹⁵⁶GdStable20.5%
iso.Gd.157¹⁵⁷GdStable15.7%
iso.Gd.158¹⁵⁸GdStable24.8%
iso.Gd.160¹⁶⁰GdStable21.8%

ULCS Notes

  • iso.Gd.152 — ¹⁵²Gd → “hidden glyph.”
  • iso.Gd.154 — ¹⁵⁴Gd → “trace glyph.”
  • iso.Gd.155 — ¹⁵⁵Gd → “absorption glyph” — neutron sponge.
  • iso.Gd.156 — ¹⁵⁶Gd → “balance glyph.”
  • iso.Gd.157 — ¹⁵⁷Gd → “shield glyph.”
  • iso.Gd.158 — ¹⁵⁸Gd → “dominant glyph.”
  • iso.Gd.160 — ¹⁶⁰Gd → “closure glyph.”

ULCS Isotope Atlas — Batch 8 (Lanthanides, Part 2)

Set: Rare Earth Elements — Lanthanides (Tb → Lu)
Focus: Subtlety, magnetism, resonance, closure

Terbium (Element #65, Symbol Tb)

Etymology: Named after Ytterby, Sweden (like Y, Er, Yb).

Isotope IDNotationStabilityAbundance
iso.Tb.159¹⁵⁹TbStable100%

ULCS Notes

  • iso.Tb.159 — ¹⁵⁹Tb → “singular glyph” — only stable isotope.

Dysprosium (Element #66, Symbol Dy)

Etymology: Greek dysprositos = “hard to get.”

Isotope IDNotationStabilityAbundance
iso.Dy.156¹⁵⁶DyLong-lived0.1%
iso.Dy.158¹⁵⁸DyStable0.1%
iso.Dy.160¹⁶⁰DyStable2.3%
iso.Dy.161¹⁶¹DyStable18.9%
iso.Dy.162¹⁶²DyStable25.5%
iso.Dy.163¹⁶³DyStable24.9%
iso.Dy.164¹⁶⁴DyStable28.2%

ULCS Notes

  • iso.Dy.156 — ¹⁵⁶Dy → “trace glyph.”
  • iso.Dy.158 — ¹⁵⁸Dy → “threshold glyph.”
  • iso.Dy.160 — ¹⁶⁰Dy → “minor glyph.”
  • iso.Dy.161 — ¹⁶¹Dy → “resonant glyph.”
  • iso.Dy.162 — ¹⁶²Dy → “balanced glyph.”
  • iso.Dy.163 — ¹⁶³Dy → “field glyph.”
  • iso.Dy.164 — ¹⁶⁴Dy → “closure glyph.”

Holmium (Element #67, Symbol Ho)

Etymology: Latin Holmia = “Stockholm.”

Isotope IDNotationStabilityAbundance
iso.Ho.165¹⁶⁵HoStable100%

ULCS Notes

  • iso.Ho.165 — ¹⁶⁵Ho → “Stockholm glyph” — singular identity.

Erbium (Element #68, Symbol Er)

Etymology: Named after Ytterby, Sweden.

Isotope IDNotationStabilityAbundance
iso.Er.162¹⁶²ErLong-lived0.1%
iso.Er.164¹⁶⁴ErStable1.6%
iso.Er.166¹⁶⁶ErStable33.6%
iso.Er.167¹⁶⁷ErStable22.9%
iso.Er.168¹⁶⁸ErStable26.8%
iso.Er.170¹⁷⁰ErStable14.9%

ULCS Notes

  • iso.Er.162 — ¹⁶²Er → “hidden glyph.”
  • iso.Er.164 — ¹⁶⁴Er → “trace glyph.”
  • iso.Er.166 — ¹⁶⁶Er → “dominant glyph.”
  • iso.Er.167 — ¹⁶⁷Er → “resonant glyph.”
  • iso.Er.168 — ¹⁶⁸Er → “harmonic glyph.”
  • iso.Er.170 — ¹⁷⁰Er → “final glyph.”

Thulium (Element #69, Symbol Tm)

Etymology: Honors Thule (mythical northern land).

Isotope IDNotationStabilityAbundance
iso.Tm.169¹⁶⁹TmStable100%

ULCS Notes

  • iso.Tm.169 — ¹⁶⁹Tm → “Thule glyph” — solitary northern star.

Ytterbium (Element #70, Symbol Yb)

Etymology: Also from Ytterby, Sweden.

Isotope IDNotationStabilityAbundance
iso.Yb.168¹⁶⁸YbLong-lived0.1%
iso.Yb.170¹⁷⁰YbStable3.0%
iso.Yb.171¹⁷¹YbStable14.3%
iso.Yb.172¹⁷²YbStable21.8%
iso.Yb.173¹⁷³YbStable16.1%
iso.Yb.174¹⁷⁴YbStable31.8%
iso.Yb.176¹⁷⁶YbStable12.7%

ULCS Notes

  • iso.Yb.168 — ¹⁶⁸Yb → “ghost glyph.”
  • iso.Yb.170 — ¹⁷⁰Yb → “threshold glyph.”
  • iso.Yb.171 — ¹⁷¹Yb → “field glyph.”
  • iso.Yb.172 — ¹⁷²Yb → “balance glyph.”
  • iso.Yb.173 — ¹⁷³Yb → “harmonic glyph.”
  • iso.Yb.174 — ¹⁷⁴Yb → “dominant glyph.”
  • iso.Yb.176 — ¹⁷⁶Yb → “resonance glyph.”

Lutetium (Element #71, Symbol Lu)

Etymology: From Lutetia, the ancient Roman name for Paris.

Isotope IDNotationStabilityAbundance
iso.Lu.175¹⁷⁵LuStable97.4%
iso.Lu.176¹⁷⁶LuLong-lived2.6%

ULCS Notes

  • iso.Lu.175 — ¹⁷⁵Lu → “Paris glyph” — dominant.
  • iso.Lu.176 — ¹⁷⁶Lu → “time glyph” — chronometer (used in dating).

ULCS Isotope Atlas — Batch 9 (Actinides, Part 1)

Set: Actinides (Ac → Np)
Focus: Radiance, decay, nuclear fire

Actinium (Element #89, Symbol Ac)

Etymology: Greek aktinos = “ray, beam.”

Isotope IDNotationStabilityNotes
iso.Ac.227²²⁷AcLong-lived21.8 years, from ²³⁵U decay

ULCS Notes

  • iso.Ac.227 — ²²⁷Ac → “ray glyph” — namesake, radiating from uranium.

Thorium (Element #90, Symbol Th)

Etymology: Named after Thor, Norse god of thunder.

Isotope IDNotationStabilityAbundance
iso.Th.232²³²ThLong-lived1.41 × 10¹⁰ years (primordial)

ULCS Notes

  • iso.Th.232 — ²³²Th → “thunder glyph” — stable guardian of nuclear fuel cycles (thorium reactors).

Protactinium (Element #91, Symbol Pa)

Etymology: Greek protos (“first”) + actinium (“ray”) = “before actinium.”

Isotope IDNotationStabilityNotes
iso.Pa.231²³¹PaLong-lived32,760 years, part of ²³⁵U decay series

ULCS Notes

  • iso.Pa.231 — ²³¹Pa → “precursor glyph” — forebear of actinium, hidden link.

Uranium (Element #92, Symbol U)

Etymology: Named after the planet Uranus (Greek god of the sky).

Isotope IDNotationStabilityAbundance
iso.U.234²³⁴ULong-lived0.005%
iso.U.235²³⁵ULong-lived0.72%
iso.U.238²³⁸ULong-lived99.27%

ULCS Notes

  • iso.U.234 — ²³⁴U → “trace glyph” — minor companion.
  • iso.U.235 — ²³⁵U → “fire glyph” — fissile, chain-reaction initiator.
  • iso.U.238 — ²³⁸U → “bedrock glyph” — fertile fuel, base of natural uranium.

Neptunium (Element #93, Symbol Np)

Etymology: Named after Neptune, Roman god of the sea.

Isotope IDNotationStabilityNotes
iso.Np.237²³⁷NpLong-lived2.14 × 10⁶ years

ULCS Notes

  • iso.Np.237 — ²³⁷Np → “sea glyph” — abyssal wanderer, first transuranic.

ULCS Isotope Atlas — Batch 9 (Actinides, Part 2)

Set: Actinides (Pu → Cm)
Focus: Weapons, reactors, transmutation fire

Plutonium (Element #94, Symbol Pu)

Etymology: Named after Pluto, Roman god of the underworld.

Isotope IDNotationStabilityNotes
iso.Pu.238²³⁸PuLong-lived87.7 years, RTGs (space power)
iso.Pu.239²³⁹PuLong-lived24,100 years, fissile (weapons & reactors)
iso.Pu.240²⁴⁰PuLong-lived6,560 years, reactor byproduct

ULCS Notes

  • iso.Pu.238 — ²³⁸Pu → “ember glyph” — warmth in void (space batteries).
  • iso.Pu.239 — ²³⁹Pu → “underworld fire glyph” — core of fission weapons.
  • iso.Pu.240 — ²⁴⁰Pu → “discord glyph” — disrupts weapon-grade purity.

Americium (Element #95, Symbol Am)

Etymology: Named after the Americas (continent).

Isotope IDNotationStabilityNotes
iso.Am.241²⁴¹AmLong-lived432 years, smoke detectors, neutron source

ULCS Notes

  • iso.Am.241 — ²⁴¹Am → “watchfire glyph” — guardian in homes (smoke alarms).

Curium (Element #96, Symbol Cm)

Etymology: Named after Pierre & Marie Curie, pioneers of radioactivity (Latin cura = care).

Isotope IDNotationStabilityNotes
iso.Cm.244²⁴⁴CmLong-lived18.1 years, strong neutron emitter

ULCS Notes

  • iso.Cm.244 — ²⁴⁴Cm → “care glyph” — fiery child of uranium, neutron lantern.

ULCS Isotope Atlas — Batch 9 (Actinides, Part 3)

Set: Actinides (Bk → Fm)
Focus: Laboratory flames, synthetic stars

Berkelium (Element #97, Symbol Bk)

Etymology: Named after Berkeley, California (Greek chorion = land plot).

Isotope IDNotationStabilityNotes
iso.Bk.247²⁴⁷BkLong-lived1,380 years, synthetic, research only

ULCS Notes

  • iso.Bk.247 — ²⁴⁷Bk → “academic glyph” — beacon of discovery, city’s fire turned element.

Californium (Element #98, Symbol Cf)

Etymology: Named after California (Spanish Calida Fornax = hot furnace).

Isotope IDNotationStabilityNotes
iso.Cf.252²⁵²CfLong-lived2.645 years, powerful neutron emitter, neutron radiography, start reactors

ULCS Notes

  • iso.Cf.252 — ²⁵²Cf → “furnace glyph” — neutron torch, igniter of stars on Earth.

Einsteinium (Element #99, Symbol Es)

Etymology: Named after Albert Einstein (German ein Stein = one stone).

Isotope IDNotationStabilityNotes
iso.Es.253²⁵³EsShort-lived20.5 days, produced in hydrogen bomb tests

ULCS Notes

  • iso.Es.253 — ²⁵³Es → “relativity glyph” — born of cosmic fire, fleeting echo of genius.

Fermium (Element #100, Symbol Fm)

Etymology: Named after Enrico Fermi, father of nuclear reactor physics.

Isotope IDNotationStabilityNotes
iso.Fm.257²⁵⁷FmShort-lived100 days, highest-mass isotope made in test quantities

ULCS Notes

  • iso.Fm.257 — ²⁵⁷Fm → “reactor glyph” — pinnacle of synthetic endurance, limits of laboratory alchemy.

ULCS Isotope Atlas — Batch 9 (Actinides, Part 4)

Set: Actinides (Md → Rf)
Focus: Founder glyphs, laboratory legacies

Mendelevium (Element #101, Symbol Md)

Etymology: Honors Dmitri Mendeleev, creator of the Periodic Table.

Isotope IDNotationStabilityNotes
iso.Md.258²⁵⁸MdShort-lived51.5 days, first produced atom-by-atom in particle accelerator

ULCS Notes

  • iso.Md.258 — ²⁵⁸Md → “table glyph” — orderer of elements, logic crystallized in fleeting atoms.

Nobelium (Element #102, Symbol No)

Etymology: Named after Alfred Nobel, inventor and philanthropist (Swedish nobel = noble).

Isotope IDNotationStabilityNotes
iso.No.259²⁵⁹NoShort-lived58 minutes, defined through nuclear synthesis experiments

ULCS Notes

  • iso.No.259 — ²⁵⁹No → “noble glyph” — momentary fire of invention, gift of human striving.

Lawrencium (Element #103, Symbol Lr)

Etymology: Honors Ernest O. Lawrence, inventor of the cyclotron.

Isotope IDNotationStabilityNotes
iso.Lr.262²⁶²LrShort-lived3.6 hours, boundary of actinide series

ULCS Notes

  • iso.Lr.262 — ²⁶²Lr → “cyclotron glyph” — whirl of particles, boundary-crossing signature.

Rutherfordium (Element #104, Symbol Rf)

Etymology: Honors Ernest Rutherford, father of nuclear physics.

Isotope IDNotationStabilityNotes
iso.Rf.267²⁶⁷RfShort-lived~1.3 hours, early transactinide frontier

ULCS Notes

  • iso.Rf.267 — ²⁶⁷Rf → “atom glyph” — symbol of splitting nucleus, doorway to superheavies.

ULCS Isotope Atlas — Batch 10 (Superheavies, Part 1)

Set: Transactinides (Db → Hs)
Focus: Contested names, pioneers honored, fleeting glyphs

Dubnium (Element #105, Symbol Db)

Etymology: Named for Dubna, Russia (Joint Institute for Nuclear Research).

Isotope IDNotationStabilityNotes
iso.Db.268²⁶⁸DbShort-lived~29 hours, longest-lived Db isotope

ULCS Notes

  • iso.Db.268 — ²⁶⁸Db → “Dubna glyph” — bridge across east-west laboratories, cooperative code.

Seaborgium (Element #106, Symbol Sg)

Etymology: Honors Glenn T. Seaborg, co-discoverer of many transuranium elements.

Isotope IDNotationStabilityNotes
iso.Sg.271²⁷¹SgShort-lived~2.4 minutes, important for chemistry experiments

ULCS Notes

  • iso.Sg.271 — ²⁷¹Sg → “Seaborg glyph” — architect of actinide concept, legacy etched in fleeting seconds.

Bohrium (Element #107, Symbol Bh)

Etymology: Honors Niels Bohr, pioneer of atomic structure and quantum theory.

Isotope IDNotationStabilityNotes
iso.Bh.270²⁷⁰BhShort-lived~61 seconds, studied via alpha decay chains

ULCS Notes

  • iso.Bh.270 — ²⁷⁰Bh → “Bohr glyph” — orbit traced in atomic memory, second-long flash of quantum heritage.

Hassium (Element #108, Symbol Hs)

Etymology: From Hassia (Latin for Hesse, Germany), where GSI laboratory is located.

Isotope IDNotationStabilityNotes
iso.Hs.270²⁷⁰HsShort-lived~22 seconds, key in confirming element discovery

ULCS Notes

  • iso.Hs.270 — ²⁷⁰Hs → “Hesse glyph” — regional root encoded in element, momentary inscription of place.

ULCS Isotope Atlas — Batch 11 (Superheavies, Part 2)

Set: Transactinides (Mt → Cn)
Focus: Individuals honored, laboratories rooted, fleeting glyphs

Meitnerium (Element #109, Symbol Mt)

Etymology: Honors Lise Meitner, physicist who contributed to nuclear fission discovery.

Isotope IDNotationStabilityNotes
iso.Mt.278²⁷⁸MtShort-lived~7.6 seconds, longest-lived confirmed Mt isotope

ULCS Notes

  • iso.Mt.278 — ²⁷⁸Mt → “Meitner glyph” — belated recognition, justice scripted in nuclear ink.

Darmstadtium (Element #110, Symbol Ds)

Etymology: Named for Darmstadt, Germany, home of the GSI Helmholtz Centre.

Isotope IDNotationStabilityNotes
iso.Ds.281²⁸¹DsShort-lived~12.7 seconds, anchor isotope for discovery proof

ULCS Notes

  • iso.Ds.281 — ²⁸¹Ds → “Darmstadt glyph” — laboratory pride crystallized in seconds.

Roentgenium (Element #111, Symbol Rg)

Etymology: Honors Wilhelm Röntgen, discoverer of X-rays (X-Strahlen).

Isotope IDNotationStabilityNotes
iso.Rg.282²⁸²RgShort-lived~2.1 minutes, longest-lived Rg isotope

ULCS Notes

  • iso.Rg.282 — ²⁸²Rg → “Röntgen glyph” — momentary radiance of unseen rays.

Copernicium (Element #112, Symbol Cn)

Etymology: Honors Nicolaus Copernicus, heliocentric astronomer.

Isotope IDNotationStabilityNotes
iso.Cn.285²⁸⁵CnShort-lived~34 seconds, key for chemistry trials

ULCS Notes

  • iso.Cn.285 — ²⁸⁵Cn → “Copernicus glyph” — orbiting vision inscribed in nuclear cycles.

ULCS Isotope Atlas — Batch 12 (Superheavies, Part 3)

Set: Transactinides (Nh → Lv)
Focus: National pride, laboratories, fleeting glyphs of identity

Nihonium (Element #113, Symbol Nh)

Etymology: From “Nihon,” endonym for Japan (“Land of the Rising Sun”).

Isotope IDNotationStabilityNotes
iso.Nh.286²⁸⁶NhShort-lived~20 seconds, main confirmed isotope

ULCS Notes

  • iso.Nh.286 — ²⁸⁶Nh → “Japan glyph” — rising sun sealed into fleeting atoms.

Flerovium (Element #114, Symbol Fl)

Etymology: Honors Georgy Flyorov, Soviet nuclear physicist.

Isotope IDNotationStabilityNotes
iso.Fl.289²⁸⁹FlShort-lived~2.6 seconds, chemistry attempts made
iso.Fl.290²⁹⁰FlShort-lived~19 seconds, longest-lived isotope

ULCS Notes

  • iso.Fl.290 — ²⁹⁰Fl → “Flyorov glyph” — endurance in ephemeral cycles.

Moscovium (Element #115, Symbol Mc)

Etymology: Named after Moscow, Russia’s capital.

Isotope IDNotationStabilityNotes
iso.Mc.288²⁸⁸McShort-lived~170 ms, discovery isotope
iso.Mc.289²⁸⁹McShort-lived~220 ms, main confirmatory isotope

ULCS Notes

  • iso.Mc.289 — ²⁸⁹Mc → “Moscow glyph” — capital’s crest woven into atom’s blink.

Livermorium (Element #116, Symbol Lv)

Etymology: Honors Lawrence Livermore National Laboratory (USA).

Isotope IDNotationStabilityNotes
iso.Lv.293²⁹³LvShort-lived~60 ms, discovery anchor
iso.Lv.294²⁹⁴LvShort-lived~60 ms, confirmatory

ULCS Notes

  • iso.Lv.294 — ²⁹⁴Lv → “Livermore glyph” — California laboratory engraved in seconds.

ULCS Isotope Atlas — Batch 13 (Superheavies, Part 4 — Completion)

Set: Terminal transactinides (Ts → Og)
Focus: Names from places and persons, the horizon of chemistry.

Tennessine (Element #117, Symbol Ts)

Etymology: Named for Tennessee (USA), honoring Oak Ridge National Laboratory, Vanderbilt University, and University of Tennessee.

Isotope IDNotationStabilityNotes
iso.Ts.293²⁹³TsShort-lived~20 ms, discovery isotope
iso.Ts.294²⁹⁴TsShort-lived~50 ms, longest-lived

ULCS Notes

  • iso.Ts.294 — ²⁹⁴Ts → “Tennessee glyph” — laboratory-state alloy sealed in milliseconds.

Oganesson (Element #118, Symbol Og)

Etymology: Honors Yuri Oganessian, pioneering Russian-Armenian nuclear physicist of superheavy discovery.

Isotope IDNotationStabilityNotes
iso.Og.294²⁹⁴OgShort-lived~0.7 ms, only confirmed isotope

ULCS Notes

  • iso.Og.294 — ²⁹⁴Og → “Oganessian glyph” — fleeting breath of noble gas, border of the known.
Complete Periodic Table — Fully Populated (118 Elements)