Question

which of the following represents a covalent molecule? select all that apply a o₂ b co₂ c cl₂ d he

Explanation:

Covalent molecules are formed by the sharing of electrons between non - metal atoms. Oxygen ($O_2$), carbon dioxide ($CO_2$), and chlorine ($Cl_2$) are composed of non - metal atoms that share electrons. Helium (He) is a noble gas and exists as single atoms, not as a covalent molecule.

Answer:

A. $O_2$
B. $CO_2$
C. $Cl_2$