What is the name of the ionic compound CaO?

1 Answer
Jun 14, 2016

Answer:

Calcium oxide
(common name: quicklime)

Explanation:

Calcium #Ca# is a metal, and is the compound's first name .
Compounds with oxygen #O# are called oxides. "-ide" is always a last name .

Since only #CaO# exists (one-to-one), no further specification is needed
(compare #CO# carbon monoxide and #CO_2# carbon dioxide)