Y8.6 L5 Word equations and chemical formulae

Identify the product(s) in the following word equation:

sodium reacts with chlorine to yield sodium chloride

• Sodium

• Sodium chloride

• Sodium and Chlorine

• Sodium and sodium chloride

Which statement is TRUE of reactants in a chemical reaction?

• You write them on the right-hand side of the arrow.

• They are what get produced in a chemical reaction.

• They always stay the same.

• Are the substances that you start with.

What are the new substances that are formed in a chemical reaction called?

• Reactants

• Atoms

• Products

• Reagents

CaCO₃ represents

• Sodium bicarbonate

• Sodium carbonate

• Sodium Chloride

• Calcium Carbonate

NaCl represents 

• Sodium bicarbonate
• Sodium carbonate
• Sodium Chloride
• Calcium Carbonate

The chemical symbol for calcium is

• Ca

• Cl

• Cu

• Ce

What is the total number of oxygen atoms in Ca₃(PO₄)₂?

• 2

• 4

• 6

• 8

• 40

Sodium + chlorine -->

• sodium chloride

• sodium chlorate

Sodium + chlorine + oxygen -->

• sodium chloride

• sodium chlorate

magnesium + nitrogen + oxygen -->

• magnesium nitride

• magnesium nitrate