How much does the mass and charge of a nucleus change when each type of radiation is emitted?

Question

Part 1 of 2
positron

Change in mass

Change in charge

Part 2 of 2
Y ray

Change in mass

Change in charge

Answer 1

Part 1 of 2

positron:
Change in mass: no change
Change in charge: -1 (from +1 to 0)

Part 2 of 2
gamma ray:
Change in mass: no change
Change in charge: no change