Question

Which of the following is an ionic compound?
A. N2O B. CO C. HCL D. Na2O

Answer 1

D. Na2O

Step-by-step explanation:

Sodium oxide (Na2O) is an ionic compound. Its constituent atoms are, respectively, a metal and a non-metal.

Sodium (Na), as a metal, will attempt to lose electrons to reach an octet state. Oxygen (O2), as a non-metal, will attempt to gain electrons to reach an octet state.

:-befrank

Answer 2

D. Na2O

Because we already know that sodium oxide is a binary ionic compound because it contains one metal cation and one non-metal anion.