Question

h2 is an
molecule
mixture
element
compound

Explanation:

H₂ is composed of two hydrogen atoms bonded together. A molecule is a group of two or more atoms held together by chemical bonds. An element is a pure - substance made of only one type of atom, and hydrogen as an element is usually represented as H. A compound is made of two or more different types of elements. A mixture is a combination of two or more substances that are not chemically combined. Since H₂ is two hydrogen atoms bonded, it is a molecule.

Answer:

Molecule