What do a mole of magnesium and a mole of iron have in common

Zinc + lead(ii) nitrate yield zinc nitrate + leadwhat's the chemical equation for this?

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

Which other elements contain the same number of outer electrons as sodium