• 1

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• 3

• 4

How many Magnesium atoms are in 10MgCl₂?

How many different elements are present in H₂COCH₂

How many Oxygen atoms (O) are in a  molecule  of CO₂

• 1
• 2
• 3
• 0

How many carbon atoms (C) are in a CO₂ molecule?

• 1
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• 3
• 0

What is the term for combining 2 or more atoms together?

• atoms
• elements
• molecules
• compounds

How many Mn atoms are found in the following compound?

2MnO₄

• 1

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• 4

• 8

Name the part in red:

H₂ + O₂ -> H₂O

• Coefficient
• Product
• Yield
• Subscript

What is the right part of a chemical equation called...
2H_{2 +} O₂ --> 2H₂O

• Reactants
• Products 
• Yields 
• Chemical Equation 

What is the left part of a chemical equation called?
2H_{2 +} O₂ --> 2H₂O

• Reactants
• Products 
• Yields 
• Chemical Equation