Balancing Chemical Equations
Authored by Spencer Austin
Science
9th - 12th Grade
formulas covered
Used 15+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
How many molecules are in this chemical formula?
5 molecules
4 molecules
2 molecules
6 molecules
Answer explanation
Remember, the coefficient tells you how many molecules there are, and the subscript tells you how many atoms there are per molecule!
Tags
formulas
2.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
How many Iron (Fe) atoms are in this chemical formula?
2 iron atoms
6 iron atoms
5 iron atoms
4 iron atoms
Answer explanation
Remember, the coefficient tells you how many molecules there are, and the subscript tells you how many atoms there are per molecule!
Tags
formulas
3.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
How many oxygen atoms are in this chemical formula?
6 oxygen atoms
2 oxygen atoms
3 oxygen atoms
4 oxygen atoms
Answer explanation
Remember, the coefficient tells you how many molecules there are, and the subscript tells you how many atoms there are per molecule!
Tags
formulas
4.
MATCH QUESTION
10 mins • 1 pt
Match the following symbols to their meaning.
and or reacts with
yields or produces
reversible reaction
Tags
formulas
5.
MATCH QUESTION
10 mins • 1 pt
Match the following to their meaning.
solid
(g)
aqueous
(aq)
gas
(l)
liquid
(s)
6.
DROPDOWN QUESTION
10 mins • 2 pts
When balancing an equation, you can change the (a) of a substance, but you cannot adjust any (b) because that would change the formula.
Tags
NGSS.MS-PS1-5
7.
DRAG AND DROP QUESTION
10 mins • 1 pt
In a chemical equation, the arrow points towards the (a) of the reaction.
Tags
NGSS.MS-PS1-5
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