How many moles of nitrogen atoms and hydrogen atoms are present in 1.4 moles of (NH4)3PO4? mol of N atoms and mol of H atoms

The answer for this is a

1b. convection2f. the same

Well you can immediately rule out a and d because if a metal were to lose or gain protons, then it would become a different element all together. the answer here is b because the positive symbol with a number refers to how many electrons the metal can give away to become stable.