Question

Which atom is most likely to form 3+ ion (atomic number is written in bracket with symbol)


A) Li (3)

B) N (7)

C) B (5)

D) P (15)

​

Answer 1

Answer:

D) P (15) will form the 3+ ion.

Answer 2

Answer:

B) N (7)

Explanation:

A nitrogen atom must gain three electrons to have the same number of electrons as an atom of the following noble gas, neon. Thus, a nitrogen atom will form an anion with three more electrons than protons and a charge of 3−. The symbol for the ion is N3−, and it is called a nitride ion.

I hope it helps, coz actually I just search it.