Distinguish between primary and secondary sampling

When curium-242 is bombarded with an alpha particle, two products are formed, one of which is a nudge on. what is the other product

Iwill give extra points to who gets this right

What are the first two quantum numbers for the electrons located in subshell 4d? what are the first three quantum numbers for the electrons located in subshell 2s? how many electrons can be held in a sublevel l = 3? how many electrons can be held in the energy level n = 4? how many electrons in an atom can share the quantum numbers n = 4 and l = 3?