Chapter 1 Chemistry Review

The smallest particles that make up all matter are _____

• energy

• atoms

• electrons

• compounds

Two or more atoms joined together are called a

• atom

• element

• molecule

• mixture

Elements are made of

• Many types of atoms

• the Periodic Table

• One type of atom

• Molecules

What is gold?

• element
• compound
• mixture

What is water (H₂O)?

• element

• compound

• mixture

When two or more different types of atoms join together

• element

• compound

• mixture

• solution

TRUE OR FALSE:
Every compound is a molecule but not every molecule is a compound.

• TRUE
• FALSE

This picture is water...what two things are true about it.

• atom

• element

• molecule

• compound

What is the tiniest particle in the entire universe?

• cells

• gases

• atoms

• liquids

Which part of an atom is POSITIVELY charged?

• protons

• neutrons

• electrons

• atoms