Answer :
Final answer:
Nitrogen ion forms a negative ion, or anion, by gaining 3 electrons. This leads to a charge of 3-, creating the ion N³-, also known as a nitride ion.
Explanation:
Based on nitrogen's position in the periodic table (group 15), we know it is a nonmetal. Nonmetals generally form negative ions, called anions, by gaining electrons in order to achieve a stable electron configuration.
Nitrogen needs to gain three electrons to mimic the electron configuration of neon, the next noble gas in the periodic table. Consequently, a nitrogen atom will form an anion with an extra three electrons compared to protons, which gives it a charge of 3-. Hence, the ion it forms is called a nitride ion and is represented by the symbol N³-.
Nitrogen, being a nonmetal, forms negative ions (anions). Since it needs to gain three electrons to have the same number of electrons as neon, it will form an anion with a charge of 3-. The symbol for the ion is N³-, and it is called a nitride ion.
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