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WorksheetsCompounds
Total questions: 15
Worksheet time: 10mins
Name
Class
Date
1.
Compounds are made up of two or more atoms physically combined.
a)
True
b)
False
2.
The properties of the elements that make up a compound are usually very similar to the compound itself.
a)
True
b)
False
3.
How many elements are represented in the compound?
Na2CO3
Na2CO3
a)
1
b)
2
c)
3
d)
4
4.
Which of the following is not a compound?
a)
HCl
b)
Cl
c)
NaCl
d)
CO2
5.
Can compounds be found in the periodic table?
a)
Yes
b)
No
6.
How many carbon atom/s are present in the compounds CaCO3?
a)
1
b)
2
c)
3
d)
4
7.
Is sugar (C12H22O11) an element or a compound?
a)
Element
b)
Compound
8.
Is water an element or a compound?
a)
Element
b)
Compound
9.
Is Iron (Fe) an element or a compound?
a)
Element
b)
Compound
10.
Element is a
a)
pure substance
b)
compound
c)
mixture
d)
molecule
11.
Is salt (NaCI) a compound or a element
a)
Compound
b)
element
12.
which one can be found on the periodic table
a)
Compound
b)
Element
13.
Which of the following represents an element?
a)
H2O
b)
H2
c)
NaCl
d)
CaCO3
14.
Atoms combine to form _______.
a)
electrons
b)
molecules
c)
nuclei
d)
neutrons
15.
Bonds between atoms in a molecule form as a result of the sharing of?
a)
formulas
b)
electrons
c)
atoms
d)
chemicals
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