16 Select the correct answer,
Which is a binary lonic compound?
OA. MgCl2
OB, CGH12O6
oc. CO₂
OD POR
E. CHA
Reset
Next

It's A

Explanation:

MgCl2. is a binary ionic compound because it contains a metal, Magnesium (Mg), and a non metal, Chlorine (Cl2).

So a binary ionic compound contains a metal and non metal.

Binary- Two

Ionic- has to do with ions or charged molecules.

altitude, density, pressure

air gets less dense the higher the altitude and also the air pressure is less as altitude rises.

i think it's c. i'm not sure but i think so.