Which term best describes a substance made up of atoms of two or more different elements joined by chemical bonds?

• A. Mixture
• B. Compound
• C. Molecule
• D. Element

Answer: (B)

Verified step by step guidance

1. Understand the definitions of the terms given: A mixture is a physical combination of two or more substances that are not chemically bonded.
2. An element is a pure substance consisting of only one type of atom.
3. A molecule is a group of atoms bonded together, which can be of the same element or different elements.
4. A compound is a substance made up of atoms of two or more different elements chemically bonded together.
5. Since the problem asks for a substance made of atoms of different elements joined by chemical bonds, the best term to describe it is a compound.