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WorksheetsMYE revision
Total questions: 27
Worksheet time: 34mins
Name
Class
Date
1.
Is water an element or a compound?
a)
Element
b)
Compound
2.
A compound consists of two or more elements bound together.
a)
True
b)
False
3.
Is Iron (Fe) an element or a compound?
a)
Element
b)
Compound
4.
Air is a compound.
a)
True
b)
False
5.
How many elements are represented in the compound?
Na2CO3
Na2CO3
a)
1
b)
2
c)
3
d)
4
6.
Which of the following is not a compound?
a)
HCl
b)
Cl
c)
NaCl
d)
CO2
7.
Which of the substances below is a compound?
a)
ink
b)
air
c)
oxygen
d)
salt
8.
Can compounds be found in the periodic table?
a)
Yes
b)
No
9.
How many TOTAL atoms are in the compound CaCO3?
a)
3
b)
5
c)
6
d)
4
10.
How many TOTAL atoms are on the compound 2NH3?
a)
5
b)
8
c)
6
d)
4
11.
How many TOTAL atoms are in the compound Ba(NO3)2?
a)
9
b)
7
c)
8
d)
10
12.
How many TOTAL atoms are in the compound 2Al2(SO4)3?
a)
12
b)
34
c)
28
d)
42
13.
Which of the following is NOT an element?
a)
Co
b)
SO
c)
Mg
d)
H
14.
NaHCO3 is an example of —
a)
an abbreviation
b)
a compound
c)
a mixture
d)
an element
15.
What is an example of a mixture?
a)
Table salt
b)
Salt water
c)
Oxygen
d)
Air
16.
A substance made of only one type of atom is called —
a)
an element
b)
a mixture
c)
a compound
d)
a salt
17.
What is an example of an element?
a)
Oxygen
b)
Pure water
c)
Air
d)
Table salt
18.
Element or Compound?
H2O
H2O
a)
Element
b)
Compound
19.
Element or Compound?
H2SO4
H2SO4
a)
Element
b)
Compound
20.
Element or Compound?
Au
Au
a)
Element
b)
Compound
21.
Element or Compound?
Ru
Ru
a)
Element
b)
Compound
22.
Element or Compound?
CF3CO2H
CF3CO2H
a)
Element
b)
Compound
23.
Element or Compound?
O2S(OH)2
O2S(OH)2
a)
Element
b)
Compound
24.
Element or Compound?
As
As
a)
Element
b)
Compound
25.
Element or Compound?
Oxygen
Oxygen
a)
Element
b)
Compound
26.
Element or Compound?
NiSO4
NiSO4
a)
Element
b)
Compound
27.
how many elements
Salt (NaCl)
a)
2
b)
3
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