When a substance decays by beta emission,the mass number of the nucleus ________ and the atomic number ________.
A)decreases by 1,remains the same
B)increases by 1,remains the same
C)remains the same,decreases by 1
D)remains the same,increases by 1

Question

Quizplus · Accepted Answer

In beta decay, a neutron is converted into a proton, increasing the atomic number by 1, while the mass number remains unchanged.

When a Substance Decays by Beta Emission,the Mass Number of the Nucleus