Question

The chemical's name to the right, in molecular or ionic compound , usually ends in -ide How do we know which chemical goes first when we are naming covalent compounds ?

Answer 1

Answer:

The name of the highly Electropositive element goes first.

e.g

$Cl_{2}O \: = > \: dichloride \: oxide$

Chlorine is more Electropositive than Oxygen.

e.g

$NO_{2} \: = > \: nitrogen \: dioxide$

Nitrogen is more Electropositive than Oxygen