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Bohr Models and Lewis Dot Diagrams

Total questions: 22

Worksheet time: 25mins

Name
Class
Date
1.

The number of protons an element has is its?

a)

Atomic mass

b)

Atomic number

c)

a.m.u

d)

Group

2.

What is the the outermost shell with electrons?

a)

Shells

b)

Isotope

c)

Orbit

d)

Valence

3.

How many electrons can go in the first energy level?

a)

2

b)

8

c)

18

d)

32

4.

How many electrons can go in the Second energy level?

a)

2

b)

8

c)

18

d)

32

5.

What is a Lewis Dot Structure?

a)

It shows all of the particles in the atom.

b)

Contains protons and neutrons

c)

Only shows the element symbol and it's outer most electron shell

d)

Contains protons and electrons

6.

What is a Bohr Model?

a)

a simplified representation of an atom

b)

vertical column in periodic table

c)

horizontal row in periodic table

d)

Only shows the element symbol and it's outer most electron shell

7.

How many valence (outer) electrons does an Oxygen atom have?

a)

2

b)

6

c)

8

d)

16

8.

What is the atomic number of this element?

a)

17

b)

18

c)

35

d)

35.453

9.

Which element is this?

a)

Calcium

b)

Chlorine

c)

Silicon

d)

Potassium

10.

What element is this?

a)

Na

b)

P

c)

N

d)

S

11.

What element is this?

a)

Nitrogen

b)

Chlorine

c)

Argon

d)

Phosphorous

12.

Which Bohr model represents Be?

a)
b)
c)
d)
13.

Which Bohr model represents Neon?

a)
b)
c)
d)
14.
How many electrons should Nitrogen have around its Lewis dot model?
a)
1
b)
3
c)
4
d)
5
15.
How many electrons should Chlorine have around its Lewis dot model?
a)
5
b)
6
c)
7
d)
8
16.
How many electrons does Si contain? (click to see image)
a)
14
b)
28
c)
2
d)
None of these
17.
How many electrons does potassium K contain? (click to see image)
a)
19
b)
39
c)
20
d)
40
18.
The majority of an atom's mass exists where?
a)
In the nucleus
b)
In the electron cloud
c)
In the space between the nucleus and the electrons
d)
In the neutrons
19.

What is the goal of the Lewis Dot Structure?

a)

To determine the electron position.

b)

To show the element's valence electrons & bonding capabilities.

c)

To find the atomic mass of an element.

d)

To search for the number of electrons in an individual atom.

20.

This is a correct dot diagram for carbon (C)

a)

true

b)

false

21.

This is a correct dot diagram for neon (Ne)

a)

true

b)

false

22.

Which of these is correct?

a)
b)