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- Rutherfordium
- Neel Point of Protactinium
- Fm (Symbol of Fermium)
- 50 (Atomic Number of Tin)
- Electronegativity (pauling) of Oganesson in kcal/mol
Rg
Roentgenium
8 known isotopes (0 stable,
8 radioactive)
272Rg
Mass
272.153273 u
Abundance —
Half-life 3.8 milliseconds
Spin/Parity —
Decay Mode(s) α (100%)
274Rg
Mass
274.155247 u
Abundance —
Half-life 12 milliseconds
Spin/Parity —
Decay Mode(s) α (100%)
278Rg
Mass
278.161590 u
Abundance —
Half-life 4.2 milliseconds
Spin/Parity —
Decay Mode(s) α (100%)
279Rg
Mass
279.162880 u
Abundance —
Half-life 0.09 seconds
Spin/Parity —
Decay Mode(s) α (100%), Spontaneous fission (25%)
280Rg
Mass
280.165204 u
Abundance —
Half-life 4.4 seconds
Spin/Parity —
Decay Mode(s) α (100%)
281Rg
Mass
281.166757 u
Abundance —
Half-life 15 seconds
Spin/Parity —
Decay Mode(s) Spontaneous fission (82%), α (18%)
282Rg
Mass
282.169343 u
Abundance —
Half-life 100 seconds
Spin/Parity —
Decay Mode(s) α (100%)
286Rg
Mass
286.178756 u
Abundance —
Half-life 11 m
Spin/Parity —
Decay Mode(s) α (100%), Spontaneous fission (54%)
Decay mode abbreviations:
β⁻ = Beta minus decay, β⁺ = Beta plus decay, EC = Electron capture, α = Alpha decay
n = Neutron emission, p = Proton emission, SF = Spontaneous fission, IT = Isomeric transition
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