If a sample contains 21.2g N how many moles of N does it contain

Iwill give extra points to who gets this right

How many electrons does silver have to give up in order to achieve a sido noble gas electron configuration

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