MTEL Physics (69) Practice Questions - MTEL Physics (69) Test Exam

A radioactive nucleus undergoes alpha decay. How do its atomic number (Z) and mass number (A) change?

Z decreases by 2, A decreases by 4 Z increases by 1, A stays the same Z decreases by 1, A stays the same Z stays the same, A decreases by 2

Z decreases by 2, A decreases by 4

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