Balancing Chemical Equations Quiz

represents a chemical reaction

• products
• reactants
• subscripts
• coefficients
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describes the number of atoms in a molecule

• products
• reactants
• subscripts
• coefficients
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the elements or compounds which exist prior to a chemical reaction

• products
• reactants
• subscripts
• coefficients
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describes the number of molecules

• products
• reactants
• subscripts
• coefficients
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new substances that are created by the rearranging of atoms after a chemical reaction

• products
• reactants
• subscripts
• coefficients
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QUESTION 1OF 2: Which two substances’ atoms were rearranged to create new substances? Select the TWO correct answers.

• 6CO2
• 6H2O
• C6H12O6
• 6O2

QUESTION 2OF 2: What are these two substances called that you selected in question 1?

• Subscript
• Coefficient
• Product
• Reactant

Part 1 or 2: Which numbers can you change when trying to balance a chemical equation? Select at least TWO of the correct answers.

• 
• 
• 
• 

Part 2 of 2: What are these numbers called that you selected in part 1?

• Subscript
• Coefficient
• Compound
• Element

Which chemical equation is not balanced?

• 2K + MgBr2 🡪 2KBr + Mg
• CH4 + 2O2 🡪 CO2 + 2H2O
• NaBr + CaF2 🡪 NaF + CaBr2