Question

question 23 1.00 pts hydrogen peroxide (h₂o₂) element compound mixture © the science dude element compound mixture

Explanation:

An element is a pure substance made of only one type of atom. A compound is a substance formed when two or more different chemical elements bond together. A mixture is a combination of two or more substances that are not chemically combined. Hydrogen peroxide ($H_2O_2$) is made up of hydrogen and oxygen atoms chemically bonded together.

Answer:

B. Compound