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Worksheets

Unit 7 Review

Total questions: 52

Worksheet time: 35mins

Name
Class
Date
1.
The horizontal row on the periodic table is called a
a)
group
b)
family
c)
period
d)
atomic number
2.
A vertical column is called...
a)
group
b)
tower
c)
period
d)
crew
3.

What is the symbol for hydrogen?

a)

Hy

b)

H

c)

He

d)

Ho

4.

What is the symbol for helium?

a)

Hy

b)

H

c)

He

d)

Ho

5.

What is the symbol for beryllium?

a)

Be

b)

B

c)

Ba

d)

Br

6.

What is the symbol for lithium?

a)

L

b)

Lt

c)

Li

d)

Lr

7.

What is the symbol for boron?

a)

Be

b)

B

c)

Ba

d)

Br

8.

What is the symbol for carbon?

a)

Ca

b)

Cr

c)

Co

d)

C

9.

What is the symbol for nitrogen?

a)

N

b)

Ni

c)

Ne

d)

No

10.

What is the symbol for oxygen?

a)

Ox

b)

O

c)

Og

d)

Oh no

11.

What is the symbol for fluorine?

a)

F

b)

Fl

c)

Fo

d)

Fr

12.

What is the symbol for sodium?

a)

s

b)

So

c)

N

d)

Na

13.

What is the symbol for neon?

a)

N

b)

Ni

c)

Ne

d)

No

14.

What is the symbol for magnesium?

a)

Mg

b)

Ma

c)

M

d)

Mn

15.

What is the symbol for aluminum?

a)

A

b)

Al

c)

Au

d)

Am

16.

What is the symbol for silicon ?

a)

S

b)

Sl

c)

Si

d)

Sn

17.

What is the symbol for phosphorus ?

a)

Po

b)

Ph

c)

Ps

d)

P

18.

What is the symbol for sulfur ?

a)

Su

b)

S

c)

Sl

d)

Sr

19.

What is the symbol for chlorine ?

a)

Cl

b)

C

c)

Co

d)

Ch

20.

What is the symbol for argon ?

a)

A

b)

Ag

c)

An

d)

Ar

21.

What is the symbol for potassium ?

a)

P

b)

K

c)

Po

d)

Ks

22.

What is the symbol for calcium?

a)

Ca

b)

Cr

c)

Co

d)

C

23.
In the modern periodic table, elements are arranged by:
a)
atomic mass
b)
atomic number
c)
valence electrons
d)
number of isotopes
24.
What subatomic particles would you find in the nucleus of an atom?
a)
Protons only
b)
Protons and Neutrons
c)
Neutrons and Electrons
d)
Protons and Electrons 
25.
Which subatomic particles contribute the most to the mass of an atom?
a)
Protons, Neutrons, Electrons
b)
Protons only
c)
Protons and Electrons
d)
Protons and Neutrons
26.
Which letter represents a proton?
a)
A
b)
B
c)
C
d)
D
27.
Which letter represents a neutron?
a)
A
b)
B
c)
C
d)
D
28.
Which letter represents an electron?
a)
A
b)
B
c)
C
d)
D
29.
Which letter represents the nucleus?
a)
A
b)
B
c)
D
d)
E
30.
Which is the correct formula for:
 three hydrogen (H)
one sulfur (S)
four oxygen (O)
a)
H3SO4
b)
HSO4
c)
H4S3O
d)
H2O
31.
Number of C's in 2Na₂CO₃
a)
1
b)
2
c)
3
d)
5
32.
The number of Na's in Na₂CO₃
a)
1
b)
2
c)
3
d)
6
33.
How many Elements are in the compound C2H8O ?
a)
2
b)
1
c)
3
d)
0
34.
How many Aluminum are in Al2O3?
a)
3
b)
2
c)
5
35.
What does malleable mean?
a)
able to bend
b)
will break easily
c)
can be used for wire
d)
is shiny
36.
The list which contains only metals is .......
a)
aluminium, copper, nitrogen
b)
iron, oxygen, hydrogen
c)
iron, silver, aluminium
d)
iron, sulphur, copper
37.
What side of the periodic table are nonmetals on?
a)
left
b)
right 
c)
top
d)
bottom
38.
Where are the non-metallic elements found in the periodic table?
a)
In the middle
b)
In the top rows
c)
On the left-hand side
d)
On the right-hand side
39.

Able to be beaten or hammered into shapes

a)

lustre

b)

malleable

c)

brittle

d)

insulator

40.

Able to be drawn into wire is

a)

malleable

b)

insulator

c)

lustre

d)

ductile

41.
Which of the following is a pure substance?
a)
O2
b)
Al2CO5
c)
C6H12O6
d)
SiO2
42.
Which of the following chemical formulas represents a compound? 
a)
C3
b)
O2
c)
CH3CHO
d)
H2
43.
Can be found on the periodic table
a)
Element
b)
Compound
c)
MIxture
44.
What is krypton?
a)
element
b)
compound
c)
mixture
45.
What is gold?
a)
element
b)
compound
c)
mixture
46.
What is sugar?
a)
element
b)
compound
c)
mixture
47.
What is water?
a)
element
b)
compound
c)
mixture
48.
When two or more elements chemically combine
a)
element
b)
compound
c)
mixture
d)
solution
49.
CO2
a)
carbon dioxide
b)
carbon monoxide
c)
dihydrogen monoxide
d)
chalk
50.
NaCl is
a)
table salt
b)
chalk
c)
ozone
d)
stomach acid
51.
HCl is
a)
table salt
b)
chalk
c)
ozone
d)
stomach acid
52.
SiO2
a)
smog
b)
pollution
c)
laughing gas
d)
sand