The nitrite ion has one less oxygen than the nitrate ion. Nitrate is NO3-1 while the nitrite ion is NO2-.
One would be phosporous whose configuration is 1s2 2s2 2p6 3s2 3p3
<span>a. It melts at 1455oC I know this is correct I need One more</span>
When the products of a reaction are hotter than the reactants, an exothermic reaction is happening. An exothermic reaction is a reaction that releases energy to the surroundings. The energy released should be more than what is absorbed in order to maintain the reaction.
