WorksheetsWhat elements do you see?
Total questions: 10
Worksheet time: 7mins
Name
Class
Date
1.
How many elements are in the molecule C6H12O6?
a)
3
b)
2
c)
24
d)
22
2.
How many elements are in a molecule of Sodium Chloride?
a)
2
b)
3
c)
4
d)
8
3.
How many elements are in the molecule Co5H7Fe9O2C
a)
6
b)
7
c)
5
d)
4
4.
What elements are in a glucose molecule?
a)
Carbon
b)
Hydrogen
c)
Oxygen
d)
Cobolt
e)
Iron
5.
What elements are in a molecule of CoFeO?
a)
Carbon
b)
Hydrogen
c)
Oxygen
d)
Cobolt
e)
Iron
6.
Ihe the following equation, what are the reactants?
a)
HCL
b)
Cl2
c)
CCl4
d)
CH4
7.
Ihe the following equation, what are the products?
a)
HCL
b)
Cl2
c)
CCl4
d)
CH4
8.
In the following equation, what are the products?
a)
C4H10
b)
CO2
c)
O2
d)
H2O
9.
In the following equation, what are the reactants?
a)
C4H10
b)
CO2
c)
O2
d)
H2O
10.
The arrow in a chemical equations mean (a) .
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