<span> elevation between index contours would be </span><span>125 feet</span>
Being frozen, staying a liquid, becoming ice, and becoming a gas (steam)
Nitrogen atom has a valence electrons of 5 electrons. A full octet or full valence electrons shell is composed of 8 electrons. Hence, an additional of 4 electrons are needed for it to become full. this is achieved by covalent bonding where electrons are shared or ionic bonding where electrons are transferred.