Chemical 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

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

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

• A

• B

• C

• D

When a CHEMICAL reaction occurs, what is made?

• No new substance is made.
• A new substance is made with new atoms formed
• A new substance is made, with existing atoms rearranged
• All substances remain the same, but physical state may change.