Question

1. all elements are composed of extremely small particles called:

a. compounds
b. mixtures
c. atoms

Explanation:

To solve this, we analyze each option:

• Option a: Compounds are substances made of two or more elements chemically combined, not the particles of an element.
• Option b: Mixtures are combinations of two or more substances physically mixed, not the basic particles of an element.
• Option c: Atoms are the extremely small particles that compose elements. Each element is made up of its own type of atom.

Answer:

c. Atoms