Balancing Chemical Equations Quiz

The blue numbers in the image below represent ________

• Charges
• coefficients
• subscripts
• none of the answers are correct

Tags

NGSS.MS-PS1-1

The red numbers in the image below represent ________

• subscripts
• coefficients
• I don't know, and don't want to try
• None of the answers are correct

The substances at the beginning of a chemical equation are called the ____

• product
• yield
• chemical symbol
• reactants

Tags

NGSS.MS-PS1-5

What is the arrow in a chemical equation...

H_{2 +} O₂ --> H₂O

• Reactants

• Products

• Yields

• Chemical Equation

Tags

NGSS.MS-PS1-5

What is the right part of a chemical equation called...

H_{2 +} O₂ --> H₂O

• Reactants

• Products

• Yields

• Chemical Equation

How many O's are in Al₂(SO₄)₃

• 4
• 12
• 7
• 24

Tags

NGSS.MS-PS1-1

Number of H in 3(NH₄)₂CrO₄

• 4
• 6
• 8
• 24

Tags

NGSS.MS-PS1-1

Balance this equation:
P₄+O₂  -->  P₂O₃

• 3 P₄+ O₂ --> 2 P₂O₃
•  P₄+ O₂ --> 2 P₂O₃
•  P₄+ 3 O₂ --> 2 P₂O₃
•  P₄+ 2 O₂ --> 3 P₂O₃

Tags

NGSS.MS-PS1-5

BaF₂ + K₃PO₄ --> Ba₃(PO₄)₂ + KF

What coefficient goes in front of K₃PO₄?

• 1

• 2

• 3

• 4

KClO₃ --> KCl + O₂
What coefficient would go in front of KCl?

• 1
• 2
• 3
• 4

Tags

NGSS.HS-PS1-7