You can search for things like...
- Darmstadtium
- Quantum Numbers of Nickel
- Fm (Symbol of Fermium)
- 54 (Atomic Number of Xenon)
- Curie Point of Manganese in °C
Cn
Copernicium
7 known isotopes (0 stable,
7 radioactive)
277Cn
Mass
277.163535 u
Abundance —
Half-life 0.61 milliseconds
Spin/Parity —
Decay Mode(s) α (100%), Spontaneous fission (17%)
281Cn
Mass
281.169563 u
Abundance —
Half-life 0.18 seconds
Spin/Parity —
Decay Mode(s) α (100%), Spontaneous fission (12.5%)
282Cn
Mass
282.170507 u
Abundance —
Half-life 0.96 milliseconds
Spin/Parity 0+
Decay Mode(s) Spontaneous fission (100%), α (7%)
283Cn
Mass
283.173202 u
Abundance —
Half-life 4.6 seconds
Spin/Parity —
Decay Mode(s) α (85%), Spontaneous fission (15%)
284Cn
Mass
284.174360 u
Abundance —
Half-life 108 milliseconds
Spin/Parity 0+
Decay Mode(s) Spontaneous fission (100%), α (3%)
285Cn
Mass
285.177227 u
Abundance —
Half-life 33 seconds
Spin/Parity —
Decay Mode(s) α (100%), Spontaneous fission (6%)
286Cn
Mass
286.178691 u
Abundance —
Half-life 11 m
Spin/Parity 0+
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
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
1
2
3
4
5
6
7