What is the initial number of sodium atoms on the reactant side before balancing?

Balancing Chemical Equations Practice

Interactive Video
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Chemistry
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9th - 10th Grade
•
Hard

Emma Peterson
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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
One
Two
Four
Three
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many hydrogen atoms are present on the product side before balancing?
Three
Four
One
Two
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What coefficient is placed in front of sodium hydroxide to balance the hydrogen atoms?
4
3
2
1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
After balancing hydrogen, how many oxygen atoms are there on the reactant side?
Four
One
Two
Three
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the total number of sodium atoms on the reactant side after updating the sodium count?
Two
Three
Five
Four
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What coefficient is placed in front of Na2O to balance the oxygen atoms?
3
2
1
4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many sodium atoms are there on the product side after balancing?
Two
Three
Four
Five
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final coefficient placed in front of sodium on the reactant side to balance the equation?
1
2
3
4
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the balanced chemical equation for the reaction between sodium and sodium hydroxide?
4Na + 2NaOH → 2Na2O + H2
2Na + 2NaOH → Na2O + H2
2Na + 2NaOH → 2Na2O + H2
Na + NaOH → Na2O + H2
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