The nucleus shown undergoes beta-minus decay.

131 53I
How many protons will the nucleus have after it decays?

(1 point)
Responses

132
132

130
130

54
54

52

The answer is 54. After beta-minus decay, the atomic number decreases by 1, meaning the number of protons decreases by 1. Therefore, the nucleus will have 54 protons after it decays.