Essential Chemistry for IGCSE - Atoms, Elements And Compounds (Section 4 - No. 13)
What is the process of radioactive decay?
The loss of electrons by an atom.
The splitting of the atom's nucleus into smaller pieces.
The spontaneous transformation of an unstable nucleus into a more stable one.
The absorption of neutrons.
Explanation
Radioactive decay is the process where an unstable nucleus emits particles/energy to become more stable.
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