English Explanatory Dictionary

calcium-45

English dictionary entry

Meanings

noun
  1. A radioactive isotope of calcium, 4520Ca, with 20 protons and 25 neutrons, and a half-life of 162.6 days; it is used as a tracer in studying calcium metabolism. As it decays it undergoes nuclear transmutation via electron emission, also called negative beta decay (β⁻-decay), into scandium.

Word forms

calcium-45

Related words

calcium-40 calcium-42 calcium-43 calcium-44 calcium-46 calcium-48
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