wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Bohr and Lewis Dot Models

Total questions: 60

Worksheet time: 3600secs

Name
Class
Date
1.

These particles are found in the nucleus of the atom.

a)

protons only

b)

protons and electrons

c)

electrons only

d)

protons and neutrons

2.

The mass number is the total of the protons plus the neutrons in the atom.

a)

True

b)

False

3.

How many neutrons would you expect the average gold atom to have given the information shown?

a)

79

b)

118

c)

197

d)

276

4.

Which subatomic particle has a negative charge?

a)

proton

b)

electron

c)

neutron

d)

quark

5.
The section labeled D is known as the?
a)
Electron cloud
b)
Neutron
c)
Nucleus
d)
Electron
6.
Value representing the number of protons in an element
a)
Atomic Mass
b)
Mass Number
c)
Valence Electrons
d)
Atomic Number
7.
What is the atomic number of this atom?
a)
2
b)
4
c)
6
d)
none of the above
8.
What is the mass number of this atom?
a)
1
b)
3
c)
4
d)
7
9.

Name this element.

a)

Neon

b)

Magnesium

c)

Sodium

d)

Manganese

10.

An element will always have the same number of 

a)
neutrons
b)
protons
c)
isotopes
d)
atoms
11.

Which subatomic particle has a positive charge and is found inside the nucleus?

a)

Electron

b)

Proton

c)

Neutron

d)

Nucleus

12.

Which subatomic particle has a neutral charge and is found inside the nucleus?

a)

Electrons

b)

Protons

c)

Neutrons

d)

Nucleus

13.

What is the maximum number of electrons that can be found in the third shell (energy level)?

a)

2

b)

8

c)

18

14.

What is the maximum number of electrons that can be found in the second shell (energy level)?

a)

2

b)

8

c)

18

15.

What is the maximum number of electrons that can be found in the first shell (energy level)?

a)

2

b)

8

c)

18

16.

What is the atomic number of this element?

a)

17

b)

18

c)

35

d)

35.453

17.

Which element is this?

a)

Calcium

b)

Chlorine

c)

Silicon

d)

Potassium

18.

What element is this?

a)

Nitrogen

b)

Chlorine

c)

Argon

d)

Phosphorous

19.

What does the 6 represent?

a)

Atomic mass

b)

atomic number

c)

chemical symbol

d)

element name

20.

Which element is this?

a)

Nickel

b)

Neon

c)

Sodium

d)

Nitrogen

21.

Use the periodic table below to determine the number of protons in Bromine (Br).

a)

35

b)

79.904

c)

36

d)

83.798

22.

How many valence electrons does this element have?

a)

12

b)

8

c)

2

d)

10

23.

Use your periodic table to determine the number of protons in Neon (Ne).

a)

18.998

b)

20.18

c)

10

d)

12

24.

What is the atomic mass for this element? (Round to the nearest WHOLE number.) (This information for this element can be found on the periodic table!)

a)

11

b)

19

c)

24

d)

23

25.

How many valence electrons does this element have?

a)

1

b)

2

c)

3

d)

4

26.

What element does this Bohr model represent?

a)

Carbon

b)

Boron

c)

Neon

d)

Nitrogen

27.

How many valence electrons does this element have?

a)

1

b)

2

c)

3

d)

4

28.

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

29.

What are the names of the 2 models that we have been using?

a)

Bohr and Newton Structures

b)

Lewis and Caroll Models

c)

Bohr Model & Lewis Dot Structure

d)

Element & Atom structures

30.

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

31.

What is a drawing of an atom that shows all of the par;cles?

a)

Lewis Dot Model

b)

Dalton Model

c)

Thompson Model

d)

Bohr Model

32.

What is the the outermost shell with electrons?

a)

Shells

b)

Isotope

c)

Orbit

d)

Valence

33.

What is the atom called when there is adding or removing electrons creates atoms with (+) or (-) charges?

a)

isotopes

b)

ions

c)

neutral

d)

stable

34.

What is the drawing of an atom that only has the symbol and the valence electrons?

a)

Lewis Dot Diagram

b)

Bohr Diagram

c)

Thompson Diagram

d)

Dalton Diagram

35.

Each column of the Periodic Table are known by this number

a)

Period

b)

Group

c)

Family

d)

Transition Metals

36.

What is the atomic number of this element?

a)

17

b)

18

c)

35

d)

35.453

37.

What is the mass number of this atom of Chlorine?

a)

17

b)

18

c)

35

d)

35.453

38.

Which element is this?

a)

Calcium

b)

Chlorine

c)

Silicon

d)

Potassium

39.

What element is this?

a)

Na

b)

P

c)

N

d)

S

40.

What element is this?

a)

Nitrogen

b)

Chlorine

c)

Argon

d)

Phosphorous

41.

Which Bohr model represents Be?

a)
b)
c)
d)
42.

Which Bohr model represents Neon?

a)
b)
c)
d)
43.

___________ simplify the Bohr Model by showing only the outer valence electrons used for bonding.

a)

Lewis Dot Diagrams

b)

Bohr Models

c)

Electron Clouds

d)

Periodic Tables

44.

Is this a correct dot diagram for fluorine (F)

a)

Yes

b)

No

45.

Is this a correct dot diagram for magnesium (Mg)

a)

Yes

b)

No

46.
How many electrons should Nitrogen have around its Lewis dot model?
a)
1
b)
3
c)
4
d)
5
47.
How many electrons should Chlorine have around its Lewis dot model?
a)
5
b)
6
c)
7
d)
8
48.
According to the octet rule most elements need _______ valence electrons.
a)
2
b)
8
c)
6
d)
18
49.

This is a Bohr Diagram of Aluminum. How many valence electrons does Aluminum have?

a)

3

b)

4

c)

5

50.

How many valence electrons does Tin (Sn) have?

a)

8

b)

7

c)

5

d)

4

51.

How many valence electrons does Lithium (Li) have?

a)

8

b)

1

c)

5

d)

2

52.

How many valence electrons does Bromine (Br) have?

a)

5

b)

6

c)

7

d)

8

53.
Valence electrons are: 
a)
Electrons farthest away from the nucleus
b)
Electrons closest to the nucleus
c)
Electrons that just come and go - they don't stay with the atom
d)
Electrons in the second shell
54.
Which of the following has a full valence shell?
a)
Oxygen
b)
Neon
c)
Barium
d)
Carbon
55.

According to the diagram below, how many bonds will this atom be able to make?

a)
1
b)
2
c)
3
d)
4
56.

This is a correct dot diagram for neon (Ne)

a)

true

b)

false

57.

Which of these is incorrect?

a)
b)
58.
Most elements will gain or lose electrons so that they end up with _______ valence electrons.
a)
2
b)
6
c)
8
d)
10
59.

Which of these is correct?

a)
b)
c)
60.
This could be the dot diagram of 
a)
Ne
b)
Si
c)
Al
d)
Be

Similar Resources on Wayground

Elements

64 questions

Elements

quiz

Worksheet

•

8th - 12th Grade

Tubbs 1st Semester Chem Review

55 questions

Tubbs 1st Semester Chem Review

quiz

Worksheet

•

10th - 12th Grade

Chemical Bond Types and Compound Naming Test

60 questions

Chemical Bond Types and Compound Naming Test

quiz

Worksheet

•

10th - 12th Grade

electrolysis

55 questions

electrolysis

quiz

Worksheet

•

10th Grade

Atomic Theory

60 questions

Atomic Theory

quiz

Worksheet

•

10th Grade

Types of Reactions

59 questions

Types of Reactions

quiz

Worksheet

•

9th - 12th Grade

MATTER AND IT'S STRUCTURE

59 questions

MATTER AND IT'S STRUCTURE

quiz

Worksheet

•

8th Grade

PERIODIC TABLE TEST REVIEW

65 questions

PERIODIC TABLE TEST REVIEW

quiz

Worksheet

•

10th Grade