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WorksheetsElements, compounds and mixtures
Total questions: 50
Worksheet time: 22mins
Name
Class
Date
1.
Contains only one kind of atom.
a)
Element
b)
Compund
c)
Mixture
2.
Contains two or more atoms combined
a)
Elements
b)
Compounds
c)
Mixtures
3.
The air is a _________.
a)
element
b)
mixture
c)
compound
d)
energy
4.
Elements can be broken down into simpler substances.
a)
false
b)
true
c)
sometimes
5.
Examples are milk and gasoline.
a)
elements
b)
mixtures
c)
compounds
6.
Examples are diamonds (C) and Uranium (U)
a)
elements
b)
mixtures
c)
compounds
7.
Is sugar (C12H22O11) an element or a compound?
a)
Element
b)
Compound
8.
An element is made up of only one kind of _____.
a)
isotope
b)
plastic
c)
atom
d)
metal
9.
What is salad?
a)
element
b)
compound
c)
mixture
10.
Classify the picture with the correct label.
a)
Element
b)
Compound
c)
Mixture of Elements
d)
Mixture of Compounds
11.
Which of the following is an element?
a)
Sugar
b)
Salt
c)
Water
d)
Oxygen
12.
A pure substance that cannot be broken down into other substances by chemical or physical means.
a)
compound
b)
atom
c)
mixture
d)
element
13.
The building block of matter is
a)
Mixture
b)
Atom
c)
Element
d)
Substance
14.
Water is an element
a)
true
b)
false
15.
A pure substance...
a)
is an element or a compound
b)
is an element or a mixture
c)
is a compound or a mixture
d)
is a mixture
16.
Beatriz wants to make a mixture out of her bowl of blueberries. Which of the following would turn her bowl of blueberries into a mixture?
a)
adding more blueberries to the bowl
b)
adding raspberries to the bowl
c)
cutting up the blueberries
d)
mashing the blueberries
17.
Humans absorb oxygen from the air they breathe in and exhale carbon dioxide gas, CO2. Carbon dioxide gas is
a)
an element made of carbon and oxygen atoms.
b)
a solution made of carbon and oxygen atoms.
c)
a compound of carbon and oxygen atoms.
d)
a mixture of carbon and oxygen atoms.
18.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
19.
What is the picture displayed?
a)
atom
b)
element
c)
molecule
d)
compound
20.
Which example is a compound?
a)
N2
b)
O2
c)
Cu
d)
H2O2
21.
compounds are chemically bounded together
a)
False
b)
true
c)
I don't know?
22.
Can an element be broken down into a simpler substance
a)
yes
b)
No
23.
Which one has more than one type of atom in it
a)
Element
b)
Compound
24.
which one only has one type of atom In it.
a)
Element
b)
compound
25.
Is salt (NaCI) a compound or a element
a)
Compound
b)
element
26.
which one can be found on the periodic table
a)
Compound
b)
Element
27.
What cannot be broken down into other substances?
a)
Compound
b)
Mixture
c)
Solids
d)
Element
28.
Which of the following is not a compound?
a)
HCl
b)
Cl
c)
NaCl
d)
CO2
29.
Water is an example of:
a)
compound
b)
element
c)
solution
30.
A combination of substances that are not chemically combined is called a(n)____________.
a)
mixture
b)
compound
c)
physical
31.
Mixtures are separated through ___________changes.
a)
mixture
b)
compound
c)
physical
32.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
33.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
34.
Which of the following represents an element?
a)
H2O
b)
H2
c)
NaCl
d)
CaCO3
35.
Salt has a chemical formula of NaCl. Salt is a...
a)
Compound
b)
Element
c)
Mixture
d)
None of the Above
36.
An element is made up of only one kind of _____.
a)
isotope
b)
plastic
c)
atom
d)
metal
37.
_____ small particles that make up most types of matter on Earth.
a)
compounds
b)
atoms
c)
mixtures
d)
elements
38.
Jello is an example of a...
a)
Element
b)
Compound
c)
Mixture
39.
Glucose (C6H12O6) is an example of a...
a)
Element
b)
Compound
c)
Mixture
40.
What is matter?
a)
Volume of an object
b)
Anything that has mass and takes up space
c)
Mass of an object
d)
Space of an object
41.
What are the 3 states of matter?
a)
Water, air, ball
b)
mass, volume, grams
c)
solid, liquid, gas
d)
chair, table, pencil
42.
To change a solid to a liquid, what do you add?
a)
heat
b)
water
c)
cold
d)
mass
43.
What is an atom?
a)
tiny particles that matter is made
b)
melting ice
c)
freezing rain
d)
evaporation
44.
Which state of matter takes the shape of its container?
a)
solid
b)
gas
c)
liquid
45.
Which state of matter has a definite shape?
a)
solid
b)
liquid
c)
gas
46.
The smallest part of an element is
a)
proton
b)
atom
c)
compound
d)
mixture
47.
An example of matter made of only one element is
a)
water
b)
gold bar
c)
light bulb
d)
salad mixture
48.
Which of the following is not a compound?
a)
HCl
b)
Cl
c)
NaCl
d)
CO2
49.
What is salad?
a)
element
b)
compound
c)
mixture
50.
Can a mixture be separated?
a)
No
b)
Yes
c)
Only sometimes
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