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- Magnesium
- Poisson Ratio of Zirconium
- Ti (Symbol of Titanium)
- 23 (Atomic Number of Vanadium)
- Ionization Energies of Aluminum in kcal/mol
Cr
Chromium
29 known isotopes (3 stable,
26 radioactive)
42Cr
Mass
42.007579 u
Abundance —
Half-life 13.3 milliseconds
Spin/Parity 0+
Decay Mode(s) EC/β⁺ (100%), ECP (94.4%)
43Cr
Mass
42.997885 u
Abundance —
Half-life 21.2 milliseconds
Spin/Parity (3/2+)
Decay Mode(s) EC/β⁺ (100%), ECP (79.3%), EC2P (11.6%)
44Cr
Mass
43.985591 u
Abundance —
Half-life 42.8 milliseconds
Spin/Parity 0+
Decay Mode(s) EC/β⁺ (100%), ECP (7%)
45Cr
Mass
44.979050 u
Abundance —
Half-life 60.9 milliseconds
Spin/Parity (7/2-)
Decay Mode(s) β⁺ (100%), β⁺p (34.4%)
46Cr
Mass
45.968361 u
Abundance —
Half-life 0.26 seconds
Spin/Parity 0+
Decay Mode(s) EC/β⁺ (100%)
47Cr
Mass
46.962895 u
Abundance —
Half-life 500 milliseconds
Spin/Parity 3/2-
Decay Mode(s) EC/β⁺ (100%)
48Cr
Mass
47.954029 u
Abundance —
Half-life 21.56 h
Spin/Parity 0+
Decay Mode(s) EC/β⁺ (100%)
49Cr
Mass
48.951334 u
Abundance —
Half-life 42.3 m
Spin/Parity 5/2-
Decay Mode(s) EC/β⁺ (100%)
50Cr
Mass
49.946042 u
Abundance 4.3450%
Half-life 1.3E+18 years
Spin/Parity 0+
Decay Mode(s) Unknown
51Cr
Mass
50.944765 u
Abundance —
Half-life 27.704 d
Spin/Parity 7/2-
Decay Mode(s) Electron capture (100%)
52Cr Stable
Mass
51.940505 u
Abundance 83.7890%
Half-life Stable
Spin/Parity 0+
Decay Mode(s) —
53Cr Stable
Mass
52.940646 u
Abundance 9.5010%
Half-life Stable
Spin/Parity 3/2-
Decay Mode(s) —
54Cr Stable
Mass
53.938877 u
Abundance 2.3650%
Half-life Stable
Spin/Parity 0+
Decay Mode(s) —
55Cr
Mass
54.940837 u
Abundance —
Half-life 3.497 m
Spin/Parity 3/2-
Decay Mode(s) β⁻ (100%)
56Cr
Mass
55.940649 u
Abundance —
Half-life 5.94 m
Spin/Parity 0+
Decay Mode(s) β⁻ (100%)
57Cr
Mass
56.943612 u
Abundance —
Half-life 21.1 seconds
Spin/Parity (3/2)-
Decay Mode(s) β⁻ (100%)
58Cr
Mass
57.944185 u
Abundance —
Half-life 7.0 seconds
Spin/Parity 0+
Decay Mode(s) β⁻ (100%)
59Cr
Mass
58.948345 u
Abundance —
Half-life 0.74 seconds
Spin/Parity (1/2-)
Decay Mode(s) β⁻ (100%)
60Cr
Mass
59.949642 u
Abundance —
Half-life 0.49 seconds
Spin/Parity 0+
Decay Mode(s) β⁻ (100%)
61Cr
Mass
60.954378 u
Abundance —
Half-life 234 milliseconds
Spin/Parity (5/2-)
Decay Mode(s) β⁻ (100%)
62Cr
Mass
61.956143 u
Abundance —
Half-life 206 milliseconds
Spin/Parity 0+
Decay Mode(s) β⁻ (100%)
63Cr
Mass
62.961161 u
Abundance —
Half-life 129 milliseconds
Spin/Parity 1/2-
Decay Mode(s) β⁻ (100%)
64Cr
Mass
63.963886 u
Abundance —
Half-life 42.9 milliseconds
Spin/Parity 0+
Decay Mode(s) β⁻ (100%)
65Cr
Mass
64.969608 u
Abundance —
Half-life 27 milliseconds
Spin/Parity (1/2-)
Decay Mode(s) β⁻ (100%)
66Cr
Mass
65.973011 u
Abundance —
Half-life 24 milliseconds
Spin/Parity 0+
Decay Mode(s) β⁻ (100%)
67Cr
Mass
66.979313 u
Abundance —
Half-life Unknown
Spin/Parity —
Decay Mode(s) Unknown
68Cr
Mass
67.983156 u
Abundance —
Half-life 360 nanoseconds
Spin/Parity 0+
Decay Mode(s) β⁻ (100%), β⁻n (0%)
69Cr
Mass
68.989662 u
Abundance —
Half-life 620 nanoseconds
Spin/Parity —
Decay Mode(s) Unknown
70Cr
Mass
69.993945 u
Abundance —
Half-life 620 nanoseconds
Spin/Parity 0+
Decay Mode(s) Unknown
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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