Balancing Chemical Equations
Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Practice Problem
•
Hard
Lucas Foster
FREE Resource
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the initial number of sodium atoms on the reactant side of the equation Na + C yields Na2C2?
Four
Three
Two
One
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many sodium atoms are present on the product side before balancing the equation?
Four
Three
Two
One
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What coefficient is added in front of Na to balance the sodium atoms?
4
2
3
1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many carbon atoms are needed on the reactant side to balance the equation?
Four
Three
Two
One
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final balanced equation for Na + C yields Na2C2?
2Na + C → Na2C2
Na + 2C → Na2C2
2Na + 2C → Na2C2
Na + C → Na2C2
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