WorksheetsChemical Bonding
Total questions: 26
Worksheet time: 18mins
Name
Class
Date
1.
What compound results in the bond between sodium and sulfur?
a)
Na2S
b)
NaS
c)
NaS2
d)
NA2S
2.
What compound results in the bond between potassium and oxygen?
a)
K2O
b)
KO
c)
PO
d)
KO2
3.
What compound results in the bond between beryllium and phosphorous?
a)
Be3P2
b)
Be2P3
c)
BeP
d)
BeK
4.
What is the charge of a sulfide (sulfur) ion?
a)
2+
b)
2-
c)
1+
d)
1-
5.
In the bond between potassium and oxygen, which ion is the cation?
a)
potassium
b)
oxygen
6.
Does beryllium form an ionic or a covalent bond with phosphorous?
a)
ionic
b)
covalent
7.
How many sulfur atoms are in 4Al(SO4)3?
a)
4
b)
12
c)
3
d)
1
8.
Which number represents the coefficient? 5Mg3(PO4)2
a)
5
b)
4
c)
3
d)
2
9.
Where are the reactants in a chemical equation?
a)
all over
b)
in front of the arrow
c)
after the arrow
10.
Where are the products in a chemical equation?
a)
all over
b)
in front of the arrow
c)
after the arrow
11.
What type of equation is the following:
2H2+O2→2H2O
2H2+O2→2H2O
a)
synthesis
b)
decomposition
c)
combustion
d)
single replacement
12.
What type of equation is the following:
HNO3+Zn→Zn(NO3)2+H2
HNO3+Zn→Zn(NO3)2+H2
a)
synthesis
b)
decomposition
c)
combustion
d)
single replacement
13.
What type of equation is the following:
C2H4 + 2O2 → CO2 + 2H2O
C2H4 + 2O2 → CO2 + 2H2O
a)
synthesis
b)
decomposition
c)
combustion
d)
single replacement
14.
Which of the following is not a diatomic element?
a)
hydrogen
b)
nitrogen
c)
fluorine
d)
carbon
15.
What are the coefficients for the following balanced equation:
____Na2S+____MgO→____Na2O+____MgS
____Na2S+____MgO→____Na2O+____MgS
a)
1,1,1,1
b)
1,2,2,1
c)
2,1,2,1
d)
2,1,1,2
16.
What are the coefficients for the following balanced equation:
____Mg+____O2→____MgO
____Mg+____O2→____MgO
a)
2,1,2
b)
3,2,1
c)
1,2,1
d)
3,2,3
17.
Which of the following is NOT and indicator of a chemical reaction/change?
a)
Gas is produced when vinegar and baking soda are mixed?
b)
A stick of butter is melted when placed in the microwave.
c)
A copper penny changes color when exposed to the atmosphere.
d)
Heat is released when two chemicals are mixed.
18.
According to the conservation of mass in a chemical reaction, the total amount of atoms
a)
can increase.
b)
can decrease.
c)
stays the same.
d)
doesn’t matter.
19.
What is letter A?
a)
coefficient
b)
subscript
c)
superscript
20.
What is letter C?
a)
coefficient
b)
subscript
c)
superscript
21.
What is letter E?
a)
coefficient
b)
subscript
c)
superscript
22.
What is letter H?
a)
product
b)
reactant
c)
yields
23.
What is letter G?
a)
product
b)
reactant
c)
yields
24.
What is letter F?
a)
chemical formula
b)
chemical symbol
c)
yields
25.
What is letter B?
a)
chemical formula
b)
chemical symbol
c)
yields
26.
What is letter D?
a)
product
b)
reactant
c)
yields
100 %
