Question

which of the following are compounds that contain a covalent bond? select two correct answers. clear all co so₂ nacl na₂ cacl₂

Explanation:

Covalent bonds form between non - metals. CO is a compound of carbon (non - metal) and oxygen (non - metal), and SO₂ is a compound of sulfur (non - metal) and oxygen (non - metal). NaCl is an ionic compound formed by a metal (sodium) and a non - metal (chlorine), Na₂ is a metal substance, and CaCl₂ is an ionic compound formed by a metal (calcium) and non - metals (chlorine).

Answer:

CO, SO₂