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physical object > natural object > collection of particles > phase of matter > solid > metal > actinide > transuranium element > americium > americium 238 |
americium 238 comparison table |
Subject | has nuclear spin | has decay mode | is a kind of | has number of neutron | has definition | has number of nucleon | has half life | is an instance of | has symbol | has atomic mass |
---|---|---|---|---|---|---|---|---|---|---|
americium | radioactive element | radioactive silvery metal which does not occur naturally | Am | |||||||
americium 238 | I = 1+ | γ | 143 | 238 | 1.63 hours | americium | 238Am | 238.051980 |
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