

Balancing Chemical Equations Concepts
Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Practice Problem
•
Hard
Sophia Harris
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the initial number of oxygen atoms in potassium chlorate (KClO3)?
3
1
4
2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which element is left to balance last in the equation?
Potassium
Chlorine
Oxygen
Phosphorus
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What coefficient is placed in front of KClO3 to balance the oxygen atoms?
5
10
15
20
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many chlorine atoms are present after balancing the equation?
15
10
20
5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the coefficient of potassium chloride (KCl) after balancing?
20
15
10
5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many phosphorus atoms are there in the balanced equation?
10
12
14
8
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What coefficient is used in front of P4 to balance phosphorus atoms?
5
4
2
3
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