Balance Chemical Equations Quiz

Is the following equation balanced?

Al + O₂ ---> 2Al₂O₃

• YES

• NO

Tags

NGSS.MS-PS1-5

What is the number before a chemical formula called?

Example: 2H₂ + O₂ ---> 2H₂O

• Coefficient

• Atom

• Subscript

• Equation

Balance this equation:

H₂ + Cl₂ ---> HCl

• It is balanced.

• H₂ + Cl₂ ---> 2HCl

• 3H₂ + Cl₂ ---> 6HCl

• H₂ + 3Cl₂ ---> 6HCl

Tags

NGSS.MS-PS1-5

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

• Reactants
• Products 
• Yields 
• Chemical Equation 

How many Sodium (Na) are in 6NaCl?

• 1
• 12
• 6

How many Hydrogen are in 4H₂O?

• 6
• 8
• 2
• 4

Tags

NGSS.MS-PS1-1

Balance this equation:

Cu₅+S₅ --> _CuS

• 2

• 3

• 4

• 5

Tags

NGSS.MS-PS1-5

Balance this equation:

C + __O --> CO₂

• 2

• 3

• 4

• 5

Tags

NGSS.MS-PS1-5

Balance this equation:

6FeO --> __Fe₂ + 6O

• 2

• 3

• 4

• 5

Tags

NGSS.MS-PS1-5

Balance this equation:

2H + _O + 2S --> 2HSO₄

• 2

• 3

• 4

• 8

Tags

NGSS.MS-PS1-5