Word equations 7A

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 new substances formed in a chemical reaction are called

• Reactants

• Atoms

• Products

• Reagents

What are the reactants in this word equation?

• Carbon dioxide and oxygen

• Carbon dioxide and water

• Oxygen and glucose

• Oxygen and water

In a chemical reaction...

• New atoms are created

• Atoms rearrange

• Atoms are destroyed

• Nothing Happens

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

In this chemical reaction zinc is a...

• Product

• Reactant

• Neither

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

• A

• B

• C

• D

Magnesium burns in oxygen to produce magnesium oxide.

Choose the correct word equation.

• magnesium + oxygen → magnesium oxide

• magnesium + carbon dioxide → oxygen

• magnesium + oxygen → carbon dioxide

Sodium reacts with chlorine to produce sodium chloride. Choose the correct word equation.

• sodium chloride → chlorine + sodium

• sodium + carbon dioxide → sodium carbonate

• sodium + chlorine → sodium chloride