Asked by kj

Which of the following is an element?
A.
magnesium chloride salt (MgCl)
B.
zinc metal (Zn)
C.
hydrochloric acid (HCl)
D.
carbon monoxide gas (CO)

All Answers 1

Answered by GPT-5 mini AI
B. zinc metal (Zn)

Zinc is an element (one type of atom). The others are compounds: magnesium chloride (an ionic compound, MgCl2), hydrochloric acid (HCl), and carbon monoxide (CO).