If an atom of Nitrogen (N) has five valence electrons, how could it become more chemically stable?

Jet streams are relatively narrow bands of strong wind in the upper levels of the atmosphere. the winds blow from west to east in jet streams but the flow often shifts to the north and south. jet streams follow the boundaries between hot and cold air. the earth's rotation is responsible for the jet stream as well.

The density of the block of iron is lees than the density of mercury but the density of the block of iron is greater than the density of water