What is an element?

A. a chemical reaction

B. a pure substance made up of one type of atom

C. a combination of different types of atoms

D. the smallest particle of matter

Respuesta :

Answer:

B. a pure substance made up of one type of atom

Explanation:

Your answer will be B.

Explanation: A element is substance that cannot be broken into any more substance and any other substance. Elements have their own types of atoms. Everything contains an atom that contains least one or more elements. It's also shown on the periodic tables.