WorksheetsElements, Compounds & Mixtures2 JC Science Hons
Total questions: 26
Worksheet time: 18mins
Name
Class
Date
1.
This picture represents which of the following?
a)
Element
b)
Compound
c)
Mixture
2.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
3.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
4.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
5.
which one can be found on the periodic table
a)
Compound
b)
Element
6.
Which of the following represents an element?
a)
H2O
b)
H2
c)
NaCl
d)
CaCO3
7.
The chemical symbol for Silicon is
a)
S
b)
Sn
c)
Sc
d)
Si
8.
The chemical symbol for Carbon is
a)
C
b)
Cb
c)
Ca
d)
Cn
9.
Elements are represented by chemical symbol. Symbols are written with
a)
all lower case letters
b)
all capital letters
c)
always only one letter
d)
At least and ONLY one capital letter
10.
What is the symbol for Chlorine?
a)
Ce
b)
Cl
c)
Ch
11.
A mixtures is a combination of two or more____________ in which no new kinds of matter are formed.
a)
subtances
b)
parts
c)
leaves
d)
pebbles
12.
A substance made by mixing other substances together and being able to then separate is the definition of a
a)
Combination
b)
Solution
c)
Mixture
13.
The atoms in a molecule are held together by
a)
gravitational attraction
b)
chemical bonds
c)
frictional forces
d)
physical bonds
14.
The difference between elements and compounds is that...
a)
elements can be separated by physical means and compounds cannot.
b)
elements cannot be separated by physical means and compounds can.
c)
elements contain only one kind of atom and compounds contain more than one kind of atom.
d)
elements contain more than one kind of atom and compounds contain only one kind of atom.
15.
These contain only one kind of atom.
a)
element
b)
compound
c)
mixture
d)
water
16.
Elements can be broken down into simpler substances.
a)
false
b)
true
c)
sometimes
17.
A compound is made of ________ atoms.
a)
big
b)
similar
c)
different
18.
A molecule can be made of the same kind of atoms.
a)
true
b)
false
c)
Say What??!!!
d)
Dude!! Sweet!!
19.
Carbon Dioxide is a ______
a)
compound
b)
element
c)
mixtures
d)
Battle of Bunker Hill
20.
Salt is a _________.
a)
compound
b)
element
c)
mixture
21.
A combination of substances that are not chemically combined is called a(n)____________.
a)
mixture
b)
compound
c)
physical
22.
compounds are chemically bonded together
a)
False
b)
true
c)
I don't know?
23.
Is salt (NaCI) a compound or a element
a)
Compound
b)
element
24.
When materials combine to form a mixture , they keep their original properties.
a)
True
b)
False
25.
When elements form mixtures, the elements keep their original properties.
a)
True
b)
False
26.
Water is an example of:
a)
compound
b)
element
c)
solution
100 %
