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Structure and Properties of Matter Review

Total questions: 27

Worksheet time: 14mins

Name
Class
Date
1.

Copper - Cu

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

2.

Chalk - CaCO3

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

3.

Water - H2O

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

4.

Air

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

5.

Soap

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

6.
a)
Element
b)
Compound
c)
Mixture
7.

The diagram shows

a)

element

b)

mixture

c)

compound

8.

What does this image show?

a)

Solid

b)

Liquid

c)

Gas

9.

What does this image show?

a)

Solid

b)

Liquid

c)

Gas

10.

What does this image show?

a)

Solid

b)

Liquid

c)

Gas

11.

Identify the separating process

a)

Magnet

b)

Sedimentation

c)

Filtration

d)

Threshing

12.

Which separation technique is used to obtain salt from seawater?

a)

Simple distillation

b)

Filtration

c)

Chromatography

d)

Evaporation

13.

Name the separation technique

a)

Filtration

b)

Evaporation

c)

Distillation

d)

Separation

14.
What is the best definition for subscript?
 
a)
The big number that tells you the number of molecules.
b)
The atomic number
c)
The little number that tells the number of atoms for each element.
15.
What is the best definition for coefficient?
 
a)
The big number that tells you the number of molecules.
b)
The little number that tells the number of atoms for each element.
c)
The atomic number
16.
What is the best statement for the picture. 
a)
The molecule has two carbon atoms and four hydrogen molecules. 
b)
The molecule has two carbon atoms and four hydrogen atoms. 
c)
The molecule has two carbon atoms. 
17.
What is the best formula for this molecule?
a)
2H2O
b)
H3O
c)
H2O2
d)
H2O
18.
What is the best formula for this molecule?
a)
C3H4O3
b)
C3H4O
c)
C3H4O2
d)
C3H4O4
19.

How many atoms of Iron are in this compound?

a)

1

b)

2

c)

3

d)

4

20.

How many total POTASSIUM atoms are in this formula?

a)

8

b)

2

c)

4

d)

12

21.

How many elements are in this chemical formula? NaHCO3NaHCO_3  

a)

1

b)

2

c)

3

d)

4

22.

C3H5(NO3)3

a)

C = 3, H = 5, N = 3, O = 9

b)

C = 3, H = 5, N = 1, O = 9

c)

C = 9, H = 15, N = 3, O = 9

d)

C = 9, H = 15, N = 1, O = 3

23.

Which charge is POSITIVE?

a)

Proton

b)

Neutron

c)

Electron

d)

Cell

24.

Which charge is NEGATIVE?

a)

Proton

b)

Neutron

c)

Electron

d)

Cell

25.

Which particle is NEUTRAL - NO CHARGE?

a)

Proton

b)

Neutron

c)

Electron

d)

Cell

26.

What are the reactants of this equation?

a)

N2+H2N_2+H_2

b)

2NH32NH_3

27.

2Al +(SO4) → Al2(SO4)32Al^{ }\ +\left(SO_4^{ }\right)\ \rightarrow\ Al_2\left(SO_4\right)_3  


What are the products of this equation?

a)

2Al +(SO4)2Al^{ }\ +\left(SO_4^{ }\right)  

b)

Al2(SO4)3Al_2\left(SO_4\right)_3  

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