Question text
36 The nucleus of an atom emits an alpha-particle. How do the proton number and nucleon number change? proton number nucleon number A decreases by 2 decreases by 4 B decreases by 4 decreases by 2 C increases by 2 increases by 4 D increases by 4 increases by 2
36 The nucleus of an atom emits an alpha-particle.
How do the proton number and nucleon number change?
proton number nucleon number
A decreases by 2 decreases by 4
B decreases by 4 decreases by 2
C increases by 2 increases by 4
D increases by 4 increases by 2
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