How many moles are in 3.69 x 1022 atoms of Ag?

Iknow #2 is d. i just need to know why

The image shows a process that releases nuclear energy which statement best identifies the process shown the process must be fusion because energy is released the process must be fusion because of have your nucleus formed a smaller nuclei the process must be fission because a large nucleus breaks into smaller nuclei the process must be fission because neutrons are formed

Explanation for basic character?