Answer:
Option(B) The Negative ion
Explanation:
A nonmetal anion is the negative ion part in the given compound. A binary compound is composed of a monatomic nonmetal anion and a monatomic metal cation.
First we examine the formula of the binary ionic compound in order to name the given compound. We find out the type of the compound given. The first part i.e element of a binary ionic compound will always represent a metal in the formula of the given compound, whereas the second part or element will be a non metal in every binary ionic compound. The metal cation which is the positive ion is first named before the nonmetal anion. Naming is not affected by the subsets present in the formula.
