Chemistry Quiz

This states that matter cannot be created nor destroyed.

• Law of Conservation

• Law of All Matter

• Atomic Theory

• Law of Contemplation

Is this chemical equation balanced?

• Yes

• No

Subatomic particles with no charge (neutral) are:

• Protons

• Neutrons

• Electrons

All the elements/compounds BEFORE a chemical reaction are called:

• Products

• Reactants

Is this chemical equation balanced?

• Yes

• No

Is this chemical equation balanced?

• Yes

• No

All the elements/compounds AFTER a chemical reaction are called:

• Products

• Reactants

Which 2 subatomic particles are found in the nucleus of an atom?

• Protons and Electrons

• Protons and Neutrons

• Neutrons and Electrons

The arrow in a chemical reaction represents

• Molecules

• Compounds

• Products

• A chemical reaction

When substances are changed into completely new substances, a ________ change has occurred.

• Physical

• Chemical