Word equations

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

In this chemical reaction zinc is a...

• Product

• Reactant

• Neither

Iron reacts with sulfur to produce iron(II) sulfide. Choose the correct word equation.

• iron + solid → iron sulfide

• iron + sulfur → iron sulfide

• iron sulfide + iron→ sulfur

• sulfur + iron sulfide → iron

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

Is the following equation balanced or unbalanced ? 
N₂ +3 H₂ --> 2NH₃

• Balanced
• Unbalanced