Question

identify the following as an element or compound.
chromium(ii) oxide (cro)
compound
element

Explanation:

A compound is a substance made of two or more different elements chemically bonded together. Chromium(II) oxide (CrO) consists of two distinct elements: chromium (Cr) and oxygen (O), bonded chemically. An element is a pure substance made of only one type of atom, which does not describe CrO.

Answer:

compound