What is the first step in balancing a chemical equation?

Balancing Chemical Equations Concepts

Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Hard

Liam Anderson
FREE Resource
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Remove excess reactants
Change the chemical formulas
Add coefficients to the products
Count the number of atoms for each element
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many hydrogen atoms are present on each side of the balanced equation?
Two
Four
One
Three
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does it mean when a chemical equation is balanced?
The number of molecules is the same on both sides
The number of atoms for each element is the same on both sides
The equation has more reactants than products
The total mass is different on both sides
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the implied coefficient for each compound in a balanced equation if not written?
One
Two
Three
Zero
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it unnecessary to write the coefficient '1' in a balanced equation?
It makes the equation incorrect
It is assumed to be there
It is only used for complex equations
It changes the chemical formula
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