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- Sodium
- Space Group Number of Magnesium
- Pr (Symbol of Praseodymium)
- 57 (Atomic Number of Lanthanum)
- Electronegativity (pauling) of Nihonium in J/mol
Hs
Hassium
13 known isotopes (0 stable,
13 radioactive)
263Hs
Mass
263.128479 u
Abundance —
Half-life Unknown
Spin/Parity —
Decay Mode(s) α (100%)
264Hs
Mass
264.128356 u
Abundance —
Half-life 0.8 milliseconds
Spin/Parity 0+
Decay Mode(s) α (50%), Spontaneous fission (50%)
265Hs
Mass
265.129792 u
Abundance —
Half-life 2.0 milliseconds
Spin/Parity —
Decay Mode(s) α (100%), Spontaneous fission (1%)
266Hs
Mass
266.130049 u
Abundance —
Half-life 2.97 milliseconds
Spin/Parity 0+
Decay Mode(s) α (76%), Spontaneous fission (24%)
267Hs
Mass
267.131678 u
Abundance —
Half-life 43 milliseconds
Spin/Parity —
Decay Mode(s) α (100%)
268Hs
Mass
268.132011 u
Abundance —
Half-life 0.4 seconds
Spin/Parity 0+
Decay Mode(s) α (100%)
269Hs
Mass
269.133649 u
Abundance —
Half-life 13 seconds
Spin/Parity —
Decay Mode(s) α (100%), Spontaneous fission (5%)
270Hs
Mass
270.134313 u
Abundance —
Half-life 7.6 seconds
Spin/Parity 0+
Decay Mode(s) α (50%), Spontaneous fission (50%)
271Hs
Mass
271.137082 u
Abundance —
Half-life Unknown
Spin/Parity —
Decay Mode(s) α (100%), Spontaneous fission (15%)
273Hs
Mass
273.141458 u
Abundance —
Half-life 0.51 seconds
Spin/Parity —
Decay Mode(s) α (100%), Spontaneous fission (12.5%)
275Hs
Mass
275.146530 u
Abundance —
Half-life 0.20 seconds
Spin/Parity —
Decay Mode(s) α (100%), Spontaneous fission (20%)
277Hs
Mass
277.151772 u
Abundance —
Half-life 3 milliseconds
Spin/Parity —
Decay Mode(s) Spontaneous fission (100%), α (50%)
278Hs
Mass
278.153753 u
Abundance —
Half-life 19 m
Spin/Parity 0+
Decay Mode(s) Spontaneous fission (100%), α (50%)
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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