Honors reactions review

The large number in front of a chemical formula or compound is the ___________. 

• coefficient
• product
• physical
• chemical

Is the following equation balanced or unbalanced?
Fe + S --> FeS

• balanced
• unbalanced

What is the part of the chemical equation in green called? 
Fe + S --> FeS

• products
• reactants
• yield
• chemical formula

How many Hydrogen are in 4H₂O?

• 6
• 8
• 2
• 4

Tags

NGSS.MS-PS1-1

How many Magnesium are in 10MgCl₂?

• 10
• 5
• 20

Tags

NGSS.MS-PS1-1

How many O's are in Al₂(SO₄)₃

• 4
• 12
• 7
• 24

Tags

NGSS.MS-PS1-1

When balancing a chemical equation, you can only change _________, you can never change _______!

• coefficients, subscripts

• subscripts, coefficients

• formulas, subscripts

• coefficients, formula units

Tags

NGSS.MS-PS1-5

Which chemical reaction forms Carbon Dioxide and Water?

• Double Replacement
• Single Replacement
• Combustion
• Decomposition

Which reaction type is the following: AgF + CaCl₂ --> AgCl + CaF₂

• Decomposition
• Single Replacement
• Synthesis
• Double Replacement

Which reaction type is the following:  Na + CaF₂ --> Ca + NaF

• Decomposition
• Single Replacement
• Synthesis
• Double Replacement