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Worksheets

Bohr Model Review

Total questions: 22

Worksheet time: 17mins

Name
Class
Date
1.

What does the Bohr Model represent?

a)

The structure of molecules

b)

The structure of the solar system

c)

The structure of an atom

d)

The structure of mixtures

2.

What is the atomic number of this atom?

a)

2

b)

4

c)

6

d)

8

3.

What is the mass number of this atom?

a)

1

b)

3

c)

4

d)

7

4.

In the diagram if the black circles represent protons, what do the white circles represent?

a)

Protons

b)

Neutrons

c)

Electrons

5.

The mass number is the total number of __________ and __________ in the nucleus.

a)

Protons and Neutrons

b)

Protons and Electrons

c)

Neutrons and Electrons

6.

What is the number of electrons that the element in this image contain?

a)
14
b)
7
c)
15
d)
18
7.

What element is represented in this Bohr Model?

a)

Carbon

b)

Hydrogen

c)

Aluminum

d)

Lithium

8.
How are electrons arranged in an atom?
a)
In groups of five
b)
In energy levels
c)
By color
d)
By shape
9.

What is the atomic number of this element?

a)

17

b)

18

c)

35

d)

35.453

10.

What is the maximum number of electrons that can fit in the 1st energy level of an atom?

a)

2

b)

6

c)

8

d)

10

11.

What is the maximum number of electrons that can fit in the 2nd energy level of an atom?

a)

2

b)

18

c)

8

d)

12

12.

What is the maximum number of electrons that can fit in the 3rd energy level of an atom?

a)

2

b)

18

c)

8

d)

12

13.

What is the mass number of this atom?

a)

9

b)

10

c)

19

d)

28

14.

Which Element is this?

a)

Carbon (C)

b)

Fluorine (F)

c)

Boron (B)

d)

Beryllium (Be)

15.

Which Element is this?

a)

Carbon (C)

b)

Fluorine (F)

c)

Boron (B)

d)

Sodium (Na)

16.

What element does this Bohr model represent?

a)

Chromium

b)

Magnesium

c)

Carbon

d)

Krypton

17.

How many valence electrons does this atom have?

a)

2

b)

8

c)

18

d)

7

18.

How many valence electrons does this atom have?


a)

2

b)

8

c)

18

d)

3

19.

Is this model correct for Carbon, C?

a)

Yes

b)

No

20.

Is this model correct for Helium, He?

a)

Yes

b)

No

21.

Is this model correct for Flourine, F?

a)

Yes

b)

No

22.

Is this model correct for Sodium, Na?

a)

Yes

b)

No