Nitrogen is in period 2 and group 5 of the Periodic Table. (i.) Distinguish between the terms period and group.
(ii.) State the electron arrangement of nitrogen.
(iii.) Explain why it is found in period 2 and group 5 of the Periodic Table.

Make sure you label your answers to match the questions.

a. energy is absorbed in the reaction.

if in a given reaction the energy of products is greater than the energy of reactants it means that reaction is endothermic and during the reaction, the energy is absorbed by reactants. in an endothermic reaction, the products have more stored chemical energy than the reactants. and in this reaction the reactants are more stable than products before the compounds with less energy are always more stable.