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- Livermorium
- Ionization Energies of Helium
- Fe (Symbol of Iron)
- 25 (Atomic Number of Manganese)
- Melting Point of Selenium in °C
Nb
Niobium
37 known isotopes (1 stable,
36 radioactive)
81Nb
Mass
80.950230 u
Abundance —
Half-life 200 nanoseconds
Spin/Parity —
Decay Mode(s) Unknown
82Nb
Mass
81.944380 u
Abundance —
Half-life 50 milliseconds
Spin/Parity (0+)
Decay Mode(s) EC/β⁺ (100%)
83Nb
Mass
82.938150 u
Abundance —
Half-life 3.9 seconds
Spin/Parity (5/2+)
Decay Mode(s) EC/β⁺ (100%)
84Nb
Mass
83.934306 u
Abundance —
Half-life 9.8 seconds
Spin/Parity (1+ 2+ 3+)
Decay Mode(s) EC/β⁺ (100%)
85Nb
Mass
84.928846 u
Abundance —
Half-life 20.5 seconds
Spin/Parity (9/2+)
Decay Mode(s) EC/β⁺ (100%)
86Nb
Mass
85.925782 u
Abundance —
Half-life 88 seconds
Spin/Parity (6+)
Decay Mode(s) EC/β⁺ (100%)
87Nb
Mass
86.920692 u
Abundance —
Half-life 3.7 m
Spin/Parity (1/2)-
Decay Mode(s) EC/β⁺ (100%)
88Nb
Mass
87.918226 u
Abundance —
Half-life 14.50 m
Spin/Parity (8+)
Decay Mode(s) EC/β⁺ (100%)
89Nb
Mass
88.913445 u
Abundance —
Half-life 2.03 h
Spin/Parity (9/2+)
Decay Mode(s) EC/β⁺ (100%)
90Nb
Mass
89.911259 u
Abundance —
Half-life 14.60 h
Spin/Parity 8+
Decay Mode(s) EC/β⁺ (100%)
91Nb
Mass
90.906990 u
Abundance —
Half-life 6.8E+2 years
Spin/Parity 9/2+
Decay Mode(s) EC/β⁺ (100%)
92Nb
Mass
91.907189 u
Abundance —
Half-life 3.47E+7 years
Spin/Parity 7+
Decay Mode(s) EC/β⁺ (100%)
93Nb Stable
Mass
92.906373 u
Abundance 100.0000%
Half-life Stable
Spin/Parity 9/2+
Decay Mode(s) —
94Nb
Mass
93.907279 u
Abundance —
Half-life 2.03E+4 years
Spin/Parity 6+
Decay Mode(s) β⁻ (100%)
95Nb
Mass
94.906831 u
Abundance —
Half-life 34.991 d
Spin/Parity 9/2+
Decay Mode(s) β⁻ (100%)
96Nb
Mass
95.908102 u
Abundance —
Half-life 23.35 h
Spin/Parity 6+
Decay Mode(s) β⁻ (100%)
97Nb
Mass
96.908102 u
Abundance —
Half-life 72.1 m
Spin/Parity 9/2+
Decay Mode(s) β⁻ (100%)
98Nb
Mass
97.910333 u
Abundance —
Half-life 2.86 seconds
Spin/Parity 1+
Decay Mode(s) β⁻ (100%)
99Nb
Mass
98.911609 u
Abundance —
Half-life 15.0 seconds
Spin/Parity 9/2+
Decay Mode(s) β⁻ (100%)
100Nb
Mass
99.914341 u
Abundance —
Half-life 1.4 seconds
Spin/Parity 1+
Decay Mode(s) β⁻ (100%)
101Nb
Mass
100.915307 u
Abundance —
Half-life 7.1 seconds
Spin/Parity (5/2+)
Decay Mode(s) β⁻ (100%)
102Nb
Mass
101.918090 u
Abundance —
Half-life 4.3 seconds
Spin/Parity (4+)
Decay Mode(s) β⁻ (100%)
103Nb
Mass
102.919453 u
Abundance —
Half-life 1.5 seconds
Spin/Parity (5/2+)
Decay Mode(s) β⁻ (100%)
104Nb
Mass
103.922908 u
Abundance —
Half-life 4.9 seconds
Spin/Parity (1+)
Decay Mode(s) β⁻ (100%), β⁻n (0.06%)
105Nb
Mass
104.924943 u
Abundance —
Half-life 2.91 seconds
Spin/Parity (5/2+)
Decay Mode(s) β⁻ (100%), β⁻n (1.7%)
106Nb
Mass
105.928929 u
Abundance —
Half-life 1.02 seconds
Spin/Parity (1-)
Decay Mode(s) β⁻ (100%), β⁻n (4.5%)
107Nb
Mass
106.931590 u
Abundance —
Half-life 300 milliseconds
Spin/Parity —
Decay Mode(s) β⁻ (100%)
108Nb
Mass
107.936076 u
Abundance —
Half-life 198 milliseconds
Spin/Parity (2+)
Decay Mode(s) β⁻ (100%), β⁻n (6.3%)
109Nb
Mass
108.939141 u
Abundance —
Half-life 108 milliseconds
Spin/Parity (5/2+)
Decay Mode(s) β⁻ (100%), β⁻n (15%)
110Nb
Mass
109.943843 u
Abundance —
Half-life 82 milliseconds
Spin/Parity (5)
Decay Mode(s) β⁻ (100%), β⁻n (40%)
111Nb
Mass
110.947439 u
Abundance —
Half-life 54 milliseconds
Spin/Parity —
Decay Mode(s) β⁻ (100%)
112Nb
Mass
111.952689 u
Abundance —
Half-life 33 milliseconds
Spin/Parity —
Decay Mode(s) β⁻ (100%)
113Nb
Mass
112.956833 u
Abundance —
Half-life 32 milliseconds
Spin/Parity —
Decay Mode(s) β⁻ (100%)
114Nb
Mass
113.962469 u
Abundance —
Half-life 17 milliseconds
Spin/Parity —
Decay Mode(s) β⁻ (100%)
115Nb
Mass
114.966849 u
Abundance —
Half-life 23 milliseconds
Spin/Parity —
Decay Mode(s) β⁻ (100%)
116Nb
Mass
115.972914 u
Abundance —
Half-life Unknown
Spin/Parity —
Decay Mode(s) β⁻ (100%)
117Nb
Mass
— u
Abundance —
Half-life Unknown
Spin/Parity —
Decay Mode(s) β⁻ (100%)
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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