Due to the massive amount of data, listing every known isotope with its half-life and decay mode for all 118 elements in a single response is not feasible. The information would be too long and cumbersome. However, I can provide a comprehensive, organized markdown for each of the first 10 elements, as you’ve requested. Each element will have its own section detailing all its known stable and unstable isotopes, their half-lives, and their decay modes.

Hydrogen (H)

  • Atomic Number1
  • SymbolH
  • Isotopes
    • 1H (Protium): Stable.
    • 2H(Deuterium): Stable.
    • 3H(Tritium): Half-life is 12.32 years, decays via Beta Decay.
    • 4HHalf-life is 1.39 x 10−22 s, decays via Neutron Emission.
    • 5HHalf-life is > 9.1 x 10−22 s, decays via Neutron Emission.
    • 6HHalf-life is 2.90 x 10−22 s, decays via Neutron Emission.
    • 7HHalf-life is 2.3 x 10−23 s, decays via Neutron Emission.

Helium (He)

  • Atomic Number2
  • SymbolHe
  • Isotopes
    • 3He: Stable.
    • 4HeStable.
    • 5HeHalf-life is 7.6 x 10−22 s, decays via Neutron Emission.
    • 6HeHalf-life is 806.7 ms, decays via Beta Decay.
    • 7HeHalf-life is 2.86 x 10−21 s, decays via Neutron Emission.
    • 8HeHalf-life is 119 ms, decays via Beta Decay.
    • 9HeHalf-life is 7 x 10−21 s, decays via Neutron Emission.
    • $^{10}$HeHalf-life is 2.7 x 10−21 s, decays via 2-Neutron Emission.

Lithium (Li)

  • Atomic Number3
  • SymbolLi
  • Isotopes
    • 4Li: Half-life is 9.1 x 10−23 s, decays via Proton Emission.
    • 5LiHalf-life is 3.7 x 10−22 s, decays via Proton Emission.
    • 6LiStable.
    • 7LiStable.
    • 8LiHalf-life is 840.3 ms, decays via Beta Decay.
    • 9LiHalf-life is 178.3 ms, decays via Beta Decay and Neutron Emission.
    • $^{10}$LiHalf-life is 2.0 x 10−21 s, decays via Neutron Emission.
    • $^{11}$LiHalf-life is 8.75 ms, decays via Beta Decay, Neutron Emission, and Alpha Decay.
    • $^{12}$LiHalf-life is > 1.0 x 10−20 s, decays via Neutron Emission.

Beryllium (Be)

  • Atomic Number4
  • SymbolBe
  • Isotopes
    • 5Be: Half-life is 1.3 x 10−21 s, decays via Proton Emission.
    • 6BeHalf-life is 5.0 x 10−21 s, decays via Proton Emission and Electron Capture.
    • 7BeHalf-life is 53.22 days, decays via Electron Capture.
    • 8BeHalf-life is 6.7 x 10−17 s, decays via Alpha Decay.
    • 9BeStable.
    • $^{10}$BeHalf-life is 1.39 x 106 years, decays via Beta Decay.
    • $^{11}$BeHalf-life is 13.81 s, decays via Beta Decay and Neutron Emission.
    • $^{12}$BeHalf-life is 21.49 ms, decays via Beta Decay.
    • $^{13}$BeHalf-life is > 0.5 x 10−21 s, decays via Neutron Emission.
    • $^{14}$BeHalf-life is 4.35 ms, decays via Beta Decay and Neutron Emission.
    • $^{15}$BeHalf-life is < 200 ns, decays via Neutron Emission.
    • $^{16}$BeHalf-life is < 200 ns, decays via 2-Neutron Emission.

Boron (B)

  • Atomic Number5
  • SymbolB
  • Isotopes
    • 7B: Half-life is 2.0 x 10−22 s, decays via Proton Emission.
    • 8BHalf-life is 770 ms, decays via Beta Decay and Alpha Decay.
    • 9BHalf-life is 8.0 x 10−19 s, decays via Proton Emission.
    • $^{10}$BStable.
    • $^{11}$BStable.
    • $^{12}$BHalf-life is 20.2 ms, decays via Beta Decay.
    • $^{13}$BHalf-life is 17.36 ms, decays via Beta Decay.
    • $^{14}$BHalf-life is 14.1 ms, decays via Beta Decay and Neutron Emission.
    • $^{15}$BHalf-life is 9.87 ms, decays via Beta Decay and Neutron Emission.
    • $^{16}$BHalf-life is < 190 ns, decays via Neutron Emission.
    • $^{17}$BHalf-life is 5.08 ms, decays via Beta Decay and Neutron Emission.
    • $^{18}$BHalf-life is < 26 ns, decays via Neutron Emission.

Carbon (C)

  • Atomic Number6
  • SymbolC
  • Isotopes
    • 8C: Half-life is 2.0 x 10−21 s, decays via Proton Emission.
    • 9CHalf-life is 126.5 ms, decays via Electron Capture.
    • $^{10}$CHalf-life is 19.29 s, decays via Electron Capture.
    • $^{11}$CHalf-life is 20.334 min, decays via Electron Capture.
    • $^{12}$CStable.
    • $^{13}$CStable.
    • $^{14}$CHalf-life is 5730 years, decays via Beta Decay.
    • $^{15}$CHalf-life is 2.449 s, decays via Beta Decay.
    • $^{16}$CHalf-life is 747 ms, decays via Beta Decay.
    • $^{17}$CHalf-life is 193 ms, decays via Beta Decay and Neutron Emission.
    • $^{18}$CHalf-life is 92 ms, decays via Beta Decay and Neutron Emission.
    • $^{19}$CHalf-life is 46.2 ms, decays via Beta Decay and Neutron Emission.
    • $^{20}$CHalf-life is 16 ms, decays via Beta Decay and Neutron Emission.
    • $^{21}$CHalf-life is 38 ns, decays via Neutron Emission.
    • $^{22}$CHalf-life is 6.2 ms, decays via Beta Decay and 2-Neutron Emission.

Nitrogen (N)

  • Atomic Number7
  • SymbolN
  • Isotopes
    • $^{10}$N: Half-life is 1.8 x 10−22 s, decays via Proton Emission.
    • $^{11}$NHalf-life is 5.9 x 10−22 s, decays via Proton Emission.
    • $^{12}$NHalf-life is 11.0 ms, decays via Positron Emission and Alpha Decay.
    • $^{13}$NHalf-life is 9.965 min, decays via Positron Emission.
    • $^{14}$NStable.
    • $^{15}$NStable.
    • $^{16}$NHalf-life is 7.13 s, decays via Beta Decay.
    • $^{17}$NHalf-life is 4.173 s, decays via Beta Decay and Neutron Emission.
    • $^{18}$NHalf-life is 622 ms, decays via Beta Decay and Neutron Emission.
    • $^{19}$NHalf-life is 271 ms, decays via Beta Decay and Neutron Emission.
    • $^{20}$NHalf-life is 114 ms, decays via Beta Decay and Neutron Emission.
    • $^{21}$NHalf-life is 87 ms, decays via Beta Decay and Neutron Emission.
    • $^{22}$NHalf-life is 13.9 ms, decays via Beta Decay and Neutron Emission.
    • $^{23}$NHalf-life is 14.5 ms, decays via Beta Decay and Neutron Emission.
    • $^{24}$NHalf-life is > 52 ns, decays via Neutron Emission.

Oxygen (O)

  • Atomic Number8
  • SymbolO
  • Isotopes
    • $^{12}$O: Half-life is 5.8 x 10−21 s, decays via Proton Emission.
    • $^{13}$OHalf-life is 8.58 ms, decays via Positron Emission and Alpha Decay.
    • $^{14}$OHalf-life is 70.6 s, decays via Positron Emission.
    • $^{15}$OHalf-life is 122.24 s, decays via Positron Emission.
    • $^{16}$OStable.
    • $^{17}$OStable.
    • $^{18}$OStable.
    • $^{19}$OHalf-life is 26.91 s, decays via Beta Decay.
    • $^{20}$OHalf-life is 13.51 s, decays via Beta Decay.
    • $^{21}$OHalf-life is 3.42 s, decays via Beta Decay.
    • $^{22}$OHalf-life is 2.25 s, decays via Beta Decay.
    • $^{23}$OHalf-life is 82 ms, decays via Beta Decay and Neutron Emission.
    • $^{24}$OHalf-life is 61 ms, decays via Beta Decay and Neutron Emission.
    • $^{25}$OHalf-life is > 42 ns, decays via Neutron Emission.
    • $^{26}$OHalf-life is 18 ms, decays via Neutron Emission and 2-Neutron Emission.

Fluorine (F)

  • Atomic Number9
  • SymbolF
  • Isotopes
    • $^{14}$F: Half-life is 5.5 x 10−22 s, decays via Proton Emission.
    • $^{15}$FHalf-life is 1.8 x 10−21 s, decays via Proton Emission.
    • $^{16}$FHalf-life is 1.1 x 10−21 s, decays via Proton Emission.
    • $^{17}$FHalf-life is 64.49 s, decays via Positron Emission.
    • $^{18}$FHalf-life is 109.77 min, decays via Positron Emission.
    • $^{19}$FStable.
    • $^{20}$FHalf-life is 11.0 s, decays via Beta Decay.
    • $^{21}$FHalf-life is 4.158 s, decays via Beta Decay.
    • $^{22}$FHalf-life is 4.23 s, decays via Beta Decay.
    • $^{23}$FHalf-life is 2.23 s, decays via Beta Decay and Neutron Emission.
    • $^{24}$FHalf-life is 390 ms, decays via Beta Decay and Neutron Emission.
    • $^{25}$FHalf-life is 79 ms, decays via Beta Decay and Neutron Emission.
    • $^{26}$FHalf-life is 8.2 ms, decays via Beta Decay and Neutron Emission.
    • $^{27}$FHalf-life is 2.6 ms, decays via Beta Decay and Neutron Emission.
    • $^{28}$FHalf-life is 10 ms, decays via Neutron Emission.
    • $^{29}$FHalf-life is > 50 ns, decays via Neutron Emission.

Neon (Ne)

  • Atomic Number10
  • SymbolNe
  • Isotopes
    • $^{16}$Ne: Half-life is 4.5 x 10−22 s, decays via Proton Emission.
    • $^{17}$NeHalf-life is 109.2 ms, decays via Positron Emission and Alpha Decay.
    • $^{18}$NeHalf-life is 1.672 s, decays via Positron Emission.
    • $^{19}$NeHalf-life is 17.22 s, decays via Positron Emission.
    • $^{20}$NeStable.
    • $^{21}$NeStable.
    • $^{22}$NeStable.
    • $^{23}$NeHalf-life is 37.24 s, decays via Beta Decay.
    • $^{24}$NeHalf-life is 3.38 min, decays via Beta Decay.
    • $^{25}$NeHalf-life is 602 ms, decays via Beta Decay and Neutron Emission.
    • $^{26}$NeHalf-life is 197 ms, decays via Beta Decay and Neutron Emission.
    • $^{27}$NeHalf-life is 30.2 ms, decays via Beta Decay and Neutron Emission.
    • $^{28}$NeHalf-life is 18.8 ms, decays via Beta Decay and Neutron Emission.
    • $^{29}$NeHalf-life is 21.0 ms, decays via Beta Decay and Neutron Emission.
    • $^{30}$NeHalf-life is 5.8 ms, decays via Beta Decay and Neutron Emission.
    • $^{31}$NeHalf-life is > 260 ns, decays via Neutron Emission.
    • $^{32}$NeHalf-life is 3.5 ms, decays via Beta Decay and 2-Neutron Emission.
    • $^{33}$NeHalf-life is < 110 ns, decays via Neutron Emission.
    • $^{34}$NeHalf-life is 1.3 ms, decays via 2-Neutron Emission.

Continuing the requested format, here is the next batch of elements, from 11 to 20, with their known isotopes, half-lives, and decay modes. – SolveForce Communications

Key terms in plain language

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VoIP

Voice over Internet Protocol carries phone calls over an IP network instead of a traditional analog phone line. Call quality depends on network stability, latency, and traffic management.

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A cloud-based combination of business calling, messaging, meetings, presence, and collaboration tools managed as one communications service.

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A service that connects a business phone system to the public telephone network using Internet Protocol, replacing or supplementing traditional phone lines.

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The time it takes data to travel between two points. Lower latency improves voice, video meetings, cloud applications, gaming, and other real-time services.

Service-Level Agreement (SLA)

A provider’s written commitment covering service targets such as availability, response time, repair time, and sometimes financial credits when commitments are missed.