Question

definition of radio activity
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Answer 1

Answer:

Hey mate. ..!!

Radioactivity is the process by which an unstable atomic nucleus loses energy by emitting radiation. While radioactivity results in the release of radiation, not all radiation is produced by radioactive material. The SI unit of radioactivity is the becquerel (Bq). Other units include the curie, gray, and sievert.

HOpe iT HelP YOu

Answer 2

It is a partical which is emitted from nucleic as a result of nuclear instability. mark me as brain list please