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physical object > natural object > collection of particles > phase of matter > solid > metal > actinide > actinium > actinium 225 |
actinium 225 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 use | has atomic mass |
---|---|---|---|---|---|---|---|---|---|---|---|
actinium | radioactive element | soft, silvery-white, radioactive metal which glows in the dark | Ac | ||||||||
actinium 225 | I = 3/2+ | γ | 136 | 225 | 10.0 days | actinium | 225Ac | tracer | 225.023205 |
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