Which chemical formula shows a covalent compound?

Question

Responses

NaCl
upper case N lower case a upper case C lower case l

MgO

upper case M lower case g upper case O

LiBr

upper case L lower case i upper case B lower case r

CO2

Answer 1

The chemical formula that shows a covalent compound is CO2 (carbon dioxide).

NaCl (sodium chloride), MgO (magnesium oxide), and LiBr (lithium bromide) are ionic compounds, while CO2 consists of covalent bonds between carbon and oxygen atoms.