A crystalline solid has the formula

CHEMISTRY · Single correct · AP · Chemistry · Atomic Structure and Properties · Atomic Structure and Properties

Problem

Ca_3X_2

, where

X

is a monatomic anion derived from a p-block element that possesses five valence electrons in its neutral state. Which anion is

X

? (a)

\mathrm{P}^{3-}

(b)

\mathrm{S}^{2-}

(c)

\mathrm{N}^{3-}

(d)

\mathrm{N}^{2-}