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Elements , Compounds & Mixtures

Total questions: 67

Worksheet time: 40mins

Name
Class
Date
1.

What 2 types of matter are pure substances?

a)

elements and compounds

b)

elements and mixtures

c)

mixtures and compounds

d)

atoms and elements

2.

Which form of matter is represented by single argon atoms?

a)

Element

b)

Compound

c)

Mixture

d)

Colloid

3.

Which state of matter is represented by the double oxygen atoms?

a)

Element

b)

Compound

c)

Mixture

d)

Solution

4.

Which form of matter is represented in the image?

a)

element

b)

compound

c)

mixture

d)

solution

5.

Which form of matter is represented by the joined carbon and oxygen atoms?

a)

element

b)

compound

c)

mixture

d)

colloid

6.

The atoms of different elements can join together to form

a)

elements

b)

compounds

c)

mixtures

7.

A substance made from one type of atom. It cannot be changed into anything simpler

a)

element

b)

compound

c)

mixture

8.

consists of 2 or more of the same atoms joined together

a)

elements

b)

compounds

c)

mixtures

d)

molecule

9.

A combination of elements and compounds

a)

elements

b)

compounds

c)

mixture

d)

molecules

10.

This substance represents....

a)

an atom

b)

an element

c)

a compound

d)

a mixture

11.

This substance represents....

a)

an atom

b)

a compound

c)

a mixture

d)

a molecule

12.

This substance represents

a)

a mixture of elements

b)

elements

c)

a mixture of molecules

d)

compounds

13.

This substance represents

a)

a mixture of elements

b)

a mixture of compounds

c)

a mixture of molecules

14.

This substance represents

a)

a mixture of molecules and elements

b)

a mixture of particles and compounds

c)

a mixture of elements and compounds

d)

a mixture of gasses and liquids

15.

Which type of mixture is represented in this image?

(Think: Are the particles spread out evenly throughout, or are the particles chunked together?)

a)

Compound mixture

b)

Heterogeneous mixture

c)

Homogeneous mixture

d)

Elemental mixture

16.

Which type of mixture is represented in this image?

(Think: Are the particles spread out evenly throughout, or are the particles chunked together?)

a)

Homogeneous mixture

b)

Elemental mixture

c)

Heterogeneous mixture

d)

Compound mixture

17.

Which is an example of a heterogenous mixture?

a)

Lucky Charms cereal

b)

cranberry juice

c)

brass metal

d)

salt dissolved in water

18.

Which is an example of a homogenous mixture?

a)

Lucky Charms cereal

b)

salt dissolved in water

c)

orange juice with LOTS of pulp

d)

trail mix

19.

This diagram represents...

a)

An element

b)

A molecule

c)

A compound

d)

A mixture of elements and compounds

20.

Which example is a compound?

a)

N2

b)

O2

c)

Cu

d)

H2O2

21.

In this diagram, Y represents...

a)

An element

b)

A molecule

c)

A compound

d)

A mixture

22.

In this diagram, X represents...

a)

A compound

b)

A mixture

c)

An atom

d)

An element

23.

The image above shows a...

a)

molecules

b)

compounds

c)

pure substance

d)

mixture of atoms

24.
Are these molecules also compounds?
a)
YES
b)
NO
25.
Are these molecules also compounds?
a)
YES
b)
NO
26.
What is the picture displayed?
a)
atom
b)
element
c)
molecule
d)
compound
27.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
28.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
29.

Which of the following is made up of only one type of atom?

a)
Element
b)
Compund
c)
Mixture
30.

Which of the following is made up of two or more types of atoms chemically combined together?

a)
Elements
b)
Compounds
c)
Mixtures
31.

Air is a(n) _________. 

a)
element 
b)
mixture 
c)
compound 
32.
Elements can be broken down into simpler substances. 
a)
false 
b)
true 
33.
Is sugar (C12H22O11) an element or a compound?
a)
Element
b)
Compound
34.

Diagram A is an example of a(n)

a)

element

b)

compound

c)

mixture

35.

Diagram B is an example of a(n)

a)

element

b)

compound

c)

mixture

36.

Diagram C is an example of a(n)

a)

element

b)

compound

c)

mixture

37.

What does this diagram represent?

a)

Elements

b)

Compounds

c)

Mixture of Elements and Compunds

d)

Mixture of Compounds

38.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
39.
What is the picture displayed?
a)
atom
b)
element
c)
molecule
d)
compound
40.
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
41.
Classify the picture with the correct label.
a)
Element
b)
Compound
c)
Mixture of Elements & Compounds
d)
Mixture of Compounds
42.
Classify the picture with the correct label.
a)
Compounds
b)
Mixture of Elements
c)
Mixture of Compounds
d)
Mixture of Elements & Compounds
43.
Classify the picture with the correct label.
a)
Mixture of Elements
b)
Compound
c)
Mixture of Compounds
d)
Element
44.
Classify the picture with the correct label.
a)
Mixture of Compounds
b)
Mixture of Elements
c)
Compound
d)
Mixture of Elements & Compounds
45.
How many atoms are there TOTAL in:
H2SO4
a)
6
b)
5
c)
7
d)
3
46.
What is H2SO4 
 made up of?
a)
2 hydrogen, 1 sulfur, 4 oxygen
b)
1 hydrogen, 2 sulfur, 4 oxygen
c)
2 hydrogen & 4 sodium
d)
1 hydrogen & 6 sodium
47.
_____ small particles that make up most types of matter on Earth.
a)
compounds
b)
atoms
c)
mixtures
d)
elements
48.
An element is made up of only one kind of _____.
a)
isotope
b)
plastic
c)
atom
d)
metal
49.
Mixtures are separated through ___________changes.
a)
mixture
b)
compound
c)
physical
50.
How many elements are represented in the compound?
Na2CO3
a)
1
b)
2
c)
3
d)
4
51.
A combination of substances that are not chemically combined is called a(n)____________. 
a)
mixture
b)
compound
c)
physical
52.
What is made up two or more elements that are chemically combined?
a)
Element
b)
Mixture
c)
Compound
d)
Solids
53.
What cannot be broken down into other substances?
a)
Compound
b)
Mixture
c)
Solids
d)
Element
54.
Salt has a chemical formula of NaCl.  Salt is a...
a)
Compound
b)
Element
c)
Mixture
d)
None of the Above
55.
Which of the following represents an element?
a)
H2O
b)
H2
c)
NaCl
d)
CaCO3
56.
Which of the following is not a compound?
a)
HCl
b)
Cl
c)
NaCl
d)
CO2
57.
Al
a)
Argon
b)
Aluminum
c)
Album
d)
Antimony
58.
N
a)
Nickel
b)
Nitrogen
c)
Neon
d)
Tin
59.
Magnesium
a)
Mn
b)
Mg
c)
Ma
d)
M
60.

Which element has the symbol He?

a)

Hydrogen

b)

Helium

c)

Mercury

d)

Helenium

61.

Which element has the symbol N?

a)

Sodium

b)

Neon

c)

Nitrogen

d)

Neodymium

62.

Which element has the symbol Ne?

a)

Sodium

b)

Neodymium

c)

Neon

d)

Niobium

63.
What is the chemical symbol for Carbon?
a)
C
b)
Ca
c)
Car
64.
What is the chemical symbol for Chlorine?
a)
C
b)
Ch
c)
Cl
65.
What is the chemical symbol for Zinc?
a)
Z
b)
Zi
c)
Zn
66.

What does the chemical symbol Na stand for?

a)

Helium

b)

Sodium

c)

Iron

67.
What does the chemical symbol H stand for?
a)
Helium
b)
Hydrogen

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