Name: _________________________
Date: _______ Class: ___ Seat# ____
____1.
How do the properties of compounds often compare with the properties of the elements that make
them?
A. properties are the same as original
B. properties differ from original substances
C. properties are always opposite from original D. all substances have original properties
____2.
It is possible for two different compounds to be composed of
A. the same elements in different ratios.
B. the same elements in the same ratio.
C. only one element.
D. no elements at all.
____3. In the chemical formula Li2S the number 2 means the compound has
A. 2 i
B. 2 Li
C. 2 S
D. 2 Li and 2 S
____4.
What is the ratio of Carbon atoms to Oxygen atoms in the compound CO2 ?
A. 1:1
B. 2:1
C. 1:2
D. 2:2
For each chemical formula given below list the elements, and count the atoms present.
H2SO4
2Al2BeO4
(CH3)3N
Name: _________________________
Date: _______ Class: ___ Seat# ____
____1.
How do the properties of compounds often compare with the properties of the elements that make
them?
A. properties differ from original substances
B. properties are the same as original
C. all substances have original properties
D. properties are always opposite from original
____2.
It is possible for two different compounds to be composed of
A. the same elements in same ratios.
B. the same elements in the different ratio.
C. no elements at all.
D. only one element.
____3. In the chemical formula Na2O the number 2 means the compound has
A. 2 O
B. 2 a
C. 2 Na
D. 2 Na and 2 O
____4.
What is the ratio of Hydrogen atoms to Oxygen atoms in the compound H2O?
A. 1:1
B. 2:1
C. 1:2
D. 2:2
For each chemical formula given below list the elements, and count the atoms present.
H2CO3
3K2Cr2O7
Hg3(PO4)2
Name: _________________________
Date: _______ Class: ___ Seat# ____
____1.
How do the properties of compounds often compare with the properties of the elements that make
them?
A. all substances have original properties
B. properties are always opposite from original
C. properties differ from original substances
D. properties are the same as original
____2.
It is possible for two different compounds to be composed of
A. no elements at all.
B. only one element.
C. the same elements in the same ratio.
D. the same elements in different ratios.
____3. In the chemical formula Fe3P the number 3 means the compound has
A. 3 Fe
B. 3 P
C. 3 e
D. 3 Fe and 3 P
____4.
What is the ratio of Fluorine (F) atoms to Sulfur (S) atoms in the compound F2S2 ?
A. 1:1
B. 2:1
C. 1:2
D. 2:2
For each chemical formula given below list the elements, and count the atoms present.
Fe2SiO4
4H2S2O6
Cu(NO3)2
Name: _________________________
Date: _______ Class: ___ Seat# ____
____1.
How do the properties of compounds often compare with the properties of the elements that make
them?
A. properties are always opposite from original B. all substances have original properties
C. properties are the same as original
D. properties differ from original substances
____2.
It is possible for two different compounds to be composed of
A. only one element.
B. no elements at all.
C. the same elements in the different ratio.
D. the same elements in same ratios.
____3. In the chemical formula Li4C the number 4 means the compound has
A. 4 C
B. 4 i
C. 4 Li and 4 C
D. 4 Li
____4.
What is the ratio of Liothium (Li) atoms Chlorine (Cl) atoms in the compound LiCl?
A. 1:1
B. 2:1
C. 1:2
D. 2:2
For each chemical formula given below list the elements, and count the atoms present.
Li2NbO3
5Na2S2O3
Mg(VO3)2
Name: _________________________
Date: _______ Class: ___ Seat# ____
____1.
How do the properties of compounds often compare with the properties of the elements that make
them?
A. properties are the same as original
B. properties differ from original substances
C. properties are always opposite from original D. all substances have original properties
____2.
It is possible for two different compounds to be composed of
A. the same elements in different ratios.
B. the same elements in the same ratio.
C. only one element.
D. no elements at all.
____3. In the chemical formula Li2S the number 2 means the compound has
A. 2 i
B. 2 Li
C. 2 S
D. 2 Li and 2 S
____4.
What is the ratio of carbon atoms to oxygen atoms in the compound CO2 ?
A. 1:1
B. 2:1
C. 1:2
D. 2:2
For each chemical formula given below list the elements, and count the atoms present.
H2SO4
Symbol
# of Atoms
2Al2BeO4
Symbol
# of Atoms
(CH3)3N
Symbol
# of Atoms
H
2
Al
4
C
3
S
1
Be
2
H
9
O
4
O
8
N
1
Total
7
Total
14
Total
13
Name: _________________________
Date: _______ Class: ___ Seat# ____
____1.
How do the properties of compounds often compare with the properties of the elements that make
them?
A. properties differ from original substances
B. properties are the same as original
C. all substances have original properties
D. properties are always opposite from original
____2.
It is possible for two different compounds to be composed of
A. the same elements in same ratios.
B. the same elements in the different ratio.
C. no elements at all.
D. only one element.
____3. In the chemical formula Na2O the number 2 means the compound has
A. 2 O
B. 2 a
C. 2 Na
D. 2 Na and 2 O
____4.
What is the ratio of Hydrogen atoms to oxygen atoms in the compound H2O?
A. 1:1
B. 2:1
C. 1:2
D. 2:2
For each chemical formula given below list the elements, and count the atoms present.
H2CO3
Symbol
# of Atoms
3K2Cr2O7
Symbol
# of Atoms
Hg3(PO4)2
Symbol
# of Atoms
H
2
K
6
Hg
3
C
1
Cr
6
P
2
O
3
O
21
O
8
Total
6
Total
33
Total
13
Name: _________________________
Date: _______ Class: ___ Seat# ____
____1.
How do the properties of compounds often compare with the properties of the elements that make
them?
A. all substances have original properties
B. properties are always opposite from original
C. properties differ from original substances
D. properties are the same as original
____2.
It is possible for two different compounds to be composed of
A. no elements at all.
B. only one element.
C. the same elements in the same ratio.
D. the same elements in different ratios.
____3. In the chemical formula Fe3P the number 3 means the compound has
A. 3 Fe
B. 3 P
C. 3 e
D. 3 Fe and 3 P
____4.
What is the ratio of carbon atoms to oxygen atoms in the compound F2S2 ?
A. 1:1
B. 2:1
C. 1:2
D. 2:2
For each chemical formula given below list the elements, and count the atoms present.
Fe2SiO4
Symbol
# of Atoms
4H2S2O6
Symbol
# of Atoms
Cu(NO3)2
Symbol
# of Atoms
Fe
2
H
8
Cu
1
Si
1
S
8
N
2
O
4
O
24
O
6
Total
7
Total
40
Total
9
Name: _________________________
Date: _______ Class: ___ Seat# ____
____1.
How do the properties of compounds often compare with the properties of the elements that make
them?
A. properties are always opposite from original B. all substances have original properties
C. properties are the same as original
D. properties differ from original substances
____2.
It is possible for two different compounds to be composed of
A. only one element.
B. no elements at all.
C. the same elements in the different ratio.
D. the same elements in same ratios.
____3. In the chemical formula Li4C the number 4 means the compound has
A. 4 C
B. 4 i
C. 4 Li and 4 C
D. 4 Li
____4.
What is the ratio of Hydrogen atoms to oxygen atoms in the compound LiCl?
A. 1:1
B. 2:1
C. 1:2
D. 2:2
For each chemical formula given below list the elements, and count the atoms present.
Li2NbO3
Symbol
# of Atoms
5Na2S2O3
Symbol
# of Atoms
Mg(VO3)2
Symbol
# of Atoms
Li
2
Na
10
Mg
1
Nb
1
S
10
V
2
O
3
O
15
O
6
Total
6
Total
35
Total
9