Respuesta :

huntjan1

so the first one is sodium chloride

second one is Magnesium oxide

Third one is Calcium hydroxide

BiologiaMagister

You just have to write them in their word form;

1 - 3 molecules of sodium chloride.

2 - 4 molecules of magnesium oxide.

3 - [tex](OH)^{2}[/tex] stands for "hydroxide" and can be added to many different molecules.



Hope it helped,


BioTeacher101