C-13-Q023mediumsingle_mcq
When a nucleus emits an alpha particle, its nucleon (mass) number —
When a nucleus emits an alpha particle, its nucleon (mass) number —
- aincreases by 4
- bdecreases by 4
- cincreases by 2
- dremains unchanged
When a nucleus emits an alpha particle, its nucleon (mass) number —