

Balancing Chemical Equations reteach
Interactive Video
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
Misty Hankinson
FREE Resource
9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are you trying to do when you balance the equations?
make the number and type of atoms on the reactant side equal the number and type of atoms on the product side
make all the coefficients the same
make all the subscripts the same
make the number of molecules on the reactant side equal the number of molecules on the on product side
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What element do you leave to balance until the very end?
hydrogen
oxygen
carbon
polyatomic ions
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a polyatomic ion exists on both sides you should...
Not separate them...count them as one thing
Count the elements within the polyatomic ion separately
Count it as one thing on only one side but not on the other.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many OH's do you have on the REACTANT side?
1
2
3
4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The 2 in front of the NaOH means you have....
2 Na and 2 OH
2 Na but still only 1 OH
You shouldn't put it in front of the NaOH, but instead put it between the Na and the OH as a subscript
6.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
Are you enjoying the video lesson?
Yes
No
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How did she get 3 Oxygens on the product side?
there are 2 in the CO2 and 1 in the H2O and she added those together.
She is wrong, there are only 2
There is a 3 coefficient... 3H2O
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