<h3>look at the balanced chemical equation for this synthesis reaction
</h3><h3> S mole ratio between nitrogen gas and hydrogen gas. This means that, regardless of how many moles of nitrogen gas you have, the reaction will always consume twice as many moles of hydrogen gas.</h3><h3 />
A neutral atom has no added/missing electrons, it's simply neutral. A +2 however signifies something, what do you believe it means in terms of added/subtracted electrons?