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- Neodymium
- Atomic Mass of Platinum
- B (Symbol of Boron)
- 13 (Atomic Number of Aluminum)
- Curie Point of Manganese in °C
Mt
Meitnerium
9 known isotopes (0 stable,
9 radioactive)
266Mt
Mass
266.137062 u
Abundance —
Half-life 2.1 milliseconds
Spin/Parity —
Decay Mode(s) α (75%), Spontaneous fission (25%)
268Mt
Mass
268.138649 u
Abundance —
Half-life 21 milliseconds
Spin/Parity —
Decay Mode(s) α (100%)
270Mt
Mass
270.140322 u
Abundance —
Half-life 0.48 seconds
Spin/Parity —
Decay Mode(s) α (100%)
274Mt
Mass
274.147343 u
Abundance —
Half-life 0.44 seconds
Spin/Parity —
Decay Mode(s) α (100%)
275Mt
Mass
275.148972 u
Abundance —
Half-life 20 milliseconds
Spin/Parity —
Decay Mode(s) α (100%), Spontaneous fission (25%)
276Mt
Mass
276.151705 u
Abundance —
Half-life 0.69 seconds
Spin/Parity —
Decay Mode(s) α (100%)
277Mt
Mass
277.153525 u
Abundance —
Half-life 4 milliseconds
Spin/Parity —
Decay Mode(s) Spontaneous fission (100%), α (20%)
278Mt
Mass
278.156487 u
Abundance —
Half-life 4.5 seconds
Spin/Parity —
Decay Mode(s) α (100%)
282Mt
Mass
282.166888 u
Abundance —
Half-life 1.1 m
Spin/Parity —
Decay Mode(s) α (100%), Spontaneous fission (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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