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WorksheetsAtomic group
Total questions: 11
Worksheet time: 55mins
Name
Class
Date
1.
How many atoms of sulfur are in each molecule of H2SO4?
a)
1
b)
4
c)
2
d)
7
2.
Which of the following statements accurately describes the number of atoms in a molecule of ammonia (NH3)?
a)
Three atoms of nitrogen and three atoms of hydrogen
b)
One atom of nitrogen and three atoms of hydrogen
c)
Three atoms of nitrogen and one atom of hydrogen
d)
One atom of nitrogen and one atom of hydrogen
3.
In which of these compounds are there twice as many oxygen atoms as hydrogen atoms?
a)
H3PO4
b)
H2SO4
c)
HCIO3
d)
H2O
4.
Element or compound?
H2O
H2O
a)
element
b)
compound
5.
Which of the following is a compound?
a)
Cu
b)
O2
c)
CO2
6.
How many carbon atoms (C) are in a CO2 molecule?
a)
1
b)
2
c)
3
d)
0
7.
How many Oxygen atoms (O) are in a molecule of CO2
a)
1
b)
2
c)
3
d)
0
8.
The smallest building unit of matter which can share in chemical reactions is the......................
a)
compound
b)
molecule
c)
atom
d)
fluid
9.
What is H2SO4
(Sulfuric Acid) made up of?
(Sulfuric Acid) made up of?
a)
2 hydrogen, 1 sulfur, 4 oxygen
b)
1 hydrogen, 2 sulfur, 4 oxygen
c)
2 hydrogen & 4 sodium
d)
1 hydrogen & 6 sodium
10.
What is NaHCO3
(Baking Soda) made up of?
(Baking Soda) made up of?
a)
1 sodium, 1 hydrogen,
1 carbon, 3 oxygen
1 carbon, 3 oxygen
b)
1 sodium, 1 hydrogen, 3 cobalt
c)
1 nitrogen, 1 hydrogen, 3 cobalt
d)
1 nitrogen, 1 hydrogen, 3 cobalt
11.
How many Oxygen atoms (O) are in a molecule of CO2
a)
1
b)
2
c)
3
d)
0
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