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WorksheetsChemical Formula and Equations
Total questions: 16
Worksheet time: 8mins
Name
Class
Date
1.
What is a coefficient?
a)
The little number that comes after the letter.
b)
Big number before the letter
c)
The capitalized letters.
d)
The arrow.
2.
What do you need to change to make this equation balanced?
a)
Nothing
b)
3Na + 3O2 → 2Na2O
c)
7Na
d)
4Na + O2 → 2Na2O
3.
Is this a chemical reaction?
a)
No
b)
Not really
c)
Yes
4.
Why was the question before a chemical reaction or not?
a)
Yes it created smoke.
b)
Yes it is it created an odor.
c)
Nothing happened.
d)
No it is not a chemical reaction because it created smoke
5.
Balance this equation.
a)
Nothing
b)
2Li + 2HCl → 2LiCl + H2
c)
3Li + 5HCl → 2LiCl + 6H2
d)
3Li + HCl → LiCl + H2
6.
Before these cupcakes were baked it was cake batter. What change did they under go once they were baked?
a)
Physical
b)
Chemical
7.
What kind of molecule is this?
a)
Water
b)
Glucose
c)
Salt
d)
Lead
8.
How many atoms of oxygen are in this equation?
a)
Two
b)
Three
c)
Six
d)
Four
9.
Is this equation balanced?
a)
Kind of
b)
Yes
c)
No
d)
Tea
10.
What change does boiling water go under?
a)
Chemical
b)
Physical
c)
Heat
d)
Thermal
11.
What are the reactants?
a)
Fe+02
b)
Fe
c)
Fe+O2→Fe2O3
d)
Fe2O3
12.
How many atoms are in this equation?
a)
14
b)
10
c)
23
d)
18
13.
Is this equation balanced?
a)
No
b)
Yes
c)
No you need to add one more carbon atom.
14.
Which is the product?
a)
NaCl
b)
Na3PO4
c)
NaCl + Mg3(PO4)2
d)
The arrow
15.
What kind of molecule is this?
a)
Glucose
b)
Sodium
c)
Claritin D
d)
Advil Liquid Gel
16.
BONUS QUESTION: How do you spell Ms. S' name? (Our science teacher.)
a)
Schmiedecamp
b)
Schmidikamp
c)
Schmidekamp
d)
Schmiedekamp
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