Among the following, which atom is most likely to form an ion with a charge of 2+?

An atom often lose or transfer its valence electrons so as to form an ion. The atom that can most likely to form an ion with a charge of 2+ is Zinc.

The formation of cations or anions is often based on the number of valence electrons of the atom. The atoms often gain or lose an electron so that they can have a  stable or  a complete octet.

The valence electrons of an atom is often used to know the type of charge it will have when it formed an ion.

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Among the following, which atom is most likely to form an ion with a charge of 2+

(a) Zn.

(b) Al.

(c) S.

(d) Na.

(e) N.

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