Question

which example is a compound?
a oxygen
b hydrogen
c carbon
d hydrogen peroxide

Explanation:

A compound is a substance formed when two or more elements are chemically bonded together. Oxygen (\(O_2\)), hydrogen (\(H_2\)), and carbon (\(C\)) are elements (pure substances made of only one type of atom). Hydrogen peroxide (\(H_2O_2\)) is made of hydrogen (\(H\)) and oxygen (\(O\)) atoms chemically combined.

Answer:

d. hydrogen peroxide