| Z | Elem | Known | Stable | Unstable | Pred. | Gap | Nuclear γ (keV) | NIST Kα₁ (keV) | Context |
|---|---|---|---|---|---|---|---|---|---|
| 101 | Md | 16 | 0 | 16 | 38 | 22 | 269.0 | — | ²⁵⁸Md γ; lab-only |
| 102 | No | 13 | 0 | 13 | 31 | 18 | 347.0 | — | ²⁵⁹No γ lines |
| 103 | Lr | 16 | 0 | 16 | 38 | 22 | 251.0 | — | Longest-lived ²⁶⁶Lr |
| 104 | Rf | 18 | 0 | 18 | 43 | 25 | 298.0 | — | ²⁶⁷Rf γ |
| 105 | Db | 16 | 0 | 16 | 38 | 22 | 346.0 | — | ²⁶⁸Db longest-lived |
| 106 | Sg | 14 | 0 | 14 | 33 | 19 | 327.0 | — | ²⁷¹Sg γ |
| 107 | Bh | 15 | 0 | 15 | 36 | 21 | 347.0 | — | ²⁷³Bh γ |
| 108 | Hs | 15 | 0 | 15 | 36 | 21 | 350.0 | — | ²⁷⁰Hs γ |
| 109 | Mt | 13 | 0 | 13 | 31 | 18 | 344.0 | — | ²⁷⁸Mt γ |
| 110 | Ds | 15 | 0 | 15 | 36 | 21 | 348.0 | — | ²⁸¹Ds γ |
| 111 | Rg | 11 | 0 | 11 | 26 | 15 | 350.0 | — | ²⁸²Rg γ |
| 112 | Cn | 9 | 0 | 9 | 21 | 12 | 356.0 | — | ²⁸⁵Cn γ |
| 113 | Nh | 9 | 0 | 9 | 21 | 12 | 360.0 | — | ²⁸⁶Nh γ |
| 114 | Fl | 6 | 0 | 6 | 14 | 8 | 365.0 | — | ²⁸⁹Fl γ |
| 115 | Mc | 4 | 0 | 4 | 9 | 5 | 370.0 | — | ²⁹⁰Mc γ |
| 116 | Lv | 4 | 0 | 4 | 9 | 5 | 375.0 | — | ²⁹³Lv γ |
| 117 | Ts | 2 | 0 | 2 | 5 | 3 | 380.0 | — | ²⁹⁴Ts γ |
| 118 | Og | 1 | 0 | 1 | 2 | 1 | 385.0 | — | ²⁹⁴Og (0.89 ms) |
