WorksheetsAtoms to Molecules
Total questions: 12
Worksheet time: 6mins
Name
Class
Date
1.
Two or more atoms joined together
a)
element
b)
molecule
c)
mixture
d)
electron
2.
What do you call the 3 in 3CO2?
a)
Coefficient
b)
Subscript
c)
Compound Number
3.
What do you call the 2 in 3CO2?
a)
Coefficient
b)
Subscript
c)
Element
d)
Small
4.
What does the 3 mean in 3CO2?
a)
3 groups of CO2
b)
3 Carbon atoms in a molecule
c)
3 Oxygen atoms in a molecule
d)
3 molecules of Carbon
5.
Which of these is true for the chemical formula 4NH3?
a)
3 Nitrogen atoms
b)
7 Hydrogens atoms
c)
12 Nitrogens atoms
d)
12 Hydrogens atoms
6.
Which of these correctly describes N2?
a)
compound
b)
atom
c)
molecule
d)
element
7.
Which of these is NOT correct to describe H2O?
a)
compound
b)
ion
c)
molecule
8.
How many total molecules are there in 2HNO3?
a)
2
b)
6
c)
8
d)
10
9.
How many different elements are included in 2HNO3?
a)
4
b)
3
c)
7
d)
6
10.
How many total atoms are there in 2HNO3?
a)
2
b)
6
c)
8
d)
10
11.
How many atoms of Hydrogen are there in 3CH4?
a)
3
b)
4
c)
7
d)
12
12.
How many atoms of Carbon are there in 3CH4?
a)
1
b)
3
c)
4
d)
12
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