Starter Day 35: Intro Chem Rxn

The reactants are on the left side of the chemical equation.

• True

• False

How many nitrogen atoms does NH₃ have?

• 1
• 2
• 3
• 4

The total number of Oxygen (O) atoms in 3N₂O₅ is...

• 5
• 2
• 15

Law of conservation of mass states that 

• matter is created
• matter is destroyed
• matter is neither created nor destroyed
• matter does not change

What does (l) mean when seen in a reaction equation?

• Light
• Liquid
• Laugh
• Long

The products are on the right side of the chemical equation.

• True

• False

What is the left part of a chemical equation called?
H_{2 +} O → H₂O

• Reactants
• Products 
• Yields 
• Chemical Equation 

What is the right part of a chemical equation called?
H_{2 +} O → H₂O

• Reactants
• Products 
• Yields 
• Chemical Equation 

CH₄ + 2 O₂ → CO₂ + 2H₂O
 In this equation, CH₄ is a

• product
• reactant
• displacement

CaCO₃ represents a chemical

• Symbol
• Formula
• Subscript
• Reaction