Answer :
Answer:
Phosphorus
Explanation:
The elements in same group shows similar properties.
Nitrogen family contain nitrogen, phosphorus, arsenic, antimony and bismuth.
Nitrogen and phosphorus are present in group 15 and show similar properties.
Both are nommetals.
Both make similar type of compounds.
Both have five valance electrons.
Both form common anion with charge of -3.
Both are used in fertilizers.
Both are used in explosive material.
With carbon, hydrogen, oxygen both nitrogen and phosphorus are found in living system.