Evaluating Word Equations

Which symbol shows a chemical reaction has occured?

• A

• B

• C

• D

A physical change is the same as a chemical change

• TRUE

• FALSE

Identify the product(s) in this word equation

• Sodium

• Sodium chloride

• Sodium and Chlorine

• Sodium and sodium chloride

In a word equation the REACTANTS

• Are written on the right hand side of the arrow

• Are produced in a chemical reaction

• Are always the same

• Are the substances that react together

The products in this reaction are?

• Two solids

• One solid and one gas

• Three solids and a gas

• Two solids and a gas

The new substances formed in a chemical reaction are called

• Reactants

• Atoms

• Products

• Reagents

In a chemical reaction...

• New atoms are created

• Atoms rearrange

• Atoms are destroyed

• Nothing Happens

Magneisum reacts with oxygen to form magnesium oxide. The correct word equation is...

• A

• B

• C

• D

What are the reactants in this word equation?

• Carbon dioxide and oxygen

• Carbon dioxide and water

• Oxygen and glucose

• Oxygen and water

In this chemical reaction zinc is a...

• Product

• Reactant

• Neither