wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Atomic Structure and the Periodic Table

Total questions: 94

Worksheet time: 1hrs 24mins

Name
Class
Date
1.

Elements in the same group have the same number of

a)

electrons

b)

valence electrons

c)

protons

d)

neutrons

2.

The number of protons in an atom is known as its ______.

a)

Atomic Number

b)

Mass Number

c)

Electron Number

d)

Neutron Number

3.

What is the location where negative electrons are likely to be found?

a)

Electron Cloud

b)

Nucleus

c)

Proton

d)

Neutron

4.

What is the atomic mass of an atom with 6 protons and 6 neutrons?

a)

6 amu

b)

12 amu

c)

18 amu

d)

24 amu

5.

What is the atomic mass of an atom with 12 protons and 12 neutrons?

a)

6 amu

b)

12 amu

c)

18 amu

d)

24 amu

6.

What is the atomic mass of an atom with 4 protons and 5 neutrons?

a)

6 amu

b)

12 amu

c)

8 amu

d)

9 amu

7.

Fill in the blank: The atomic mass of an atom is determined by the number of protons and ________.

a)

A) electrons

b)

B) neutrons

c)

C) ions

d)

D) molecules

8.

Fill in the blank: Elements are matter constructed of ______ type of atom.

a)

One

b)

Two

c)

Three

d)

Four

9.

Fill in the blank: The horizontal rows in the periodic table are called ______.

a)

Groups

b)

Periods

c)

Levels

d)

Columns

10.

Which elements are in the first period of the periodic table?

a)

A) Hydrogen and Helium

b)

B) Lithium and Beryllium

c)

C) Sodium and Magnesium

d)

D) Potassium and Calcium

11.

Fill in the blank: Sodium and Phosphorus are in the ______ period, so they have three energy levels.

a)

First

b)

Second

c)

Third

d)

Fourth

12.

What is the main criterion for arranging elements in the periodic table today?

a)

Alphabetical order

b)

Atomic number

c)

Date of discovery

d)

Mass number

13.

Fill in the blank: Dmitri Mendeleev organized the elements based on increasing ______.

a)

Atomic number

b)

Atomic mass

c)

Alphabetical order

d)

Chemical properties

14.

Which of the following elements is in the same group as sodium (Na) on the periodic table?

a)

Helium (He)

b)

Potassium (K)

c)

Carbon (C)

d)

Neon (Ne)

15.

Fill in the blank: Aluminum has ________ protons.

a)

10

b)

12

c)

13

d)

15

16.
The period for Bromine is ___________.
a)
3
b)
2
c)
4
17.

are atoms that have the same number of protons but different
numbers of neutrons.

a)
Isotopes
b)
Compounds
c)
Molecules
d)
Elements
18.

are atoms that have the same number of protons but different
numbers of neutrons.

a)
Isotopes
b)
Compounds
c)
Molecules
d)
Elements
19.

The electrons in the outermost energy level are

a)
subatomic particles
b)
valence electrons
c)
inner electrons
d)
core electrons
20.
What is the atomic mass of Neon?
a)
10
b)
30
c)
10.18
d)
20.18
21.

How many neutrons does Phosphorus have? ...remember APE MAN

a)

46

b)

31

c)

15

d)

16

22.

What is the atomic number of this atom?

a)

7

b)

14

c)

21

d)

9

23.

What is the atomic number?

a)

35

b)

18

c)

17

d)

52

24.

How many protons and electrons does this element have?

a)

35

b)

18

c)

17

d)

52

25.

How many neutrons does calcium have?

a)

20

b)

40

c)

60

d)

0

26.

What is the atomic mass of Neon?

a)

10

b)

20

c)

30

27.

What is the atomic mass of Arsenic?

a)

33

b)

107

c)

75

28.

An element’s identity can be

determined from its

a)

atomic number

b)

number of neutrons

c)

number of isotopes

d)

energy levels

29.
Mass number is
a)
protons + electrons.
b)
protons + neutrons.
c)
electrons + neutrons.
30.

elements that have the same number of protons but a different number of neutrons.

a)

metals

b)

nonmetals

c)

Isotopes

d)

period

31.

What is located in the nucleus of an atom?

a)

protons and neutrons

b)

protons and electrons

c)

electrons and neutrons

32.

How is the Periodic Table arranged?

a)

alphabetical order

b)

atomic number

c)

the year the element was discovered

d)

Albert Einstein decided how to arrange it.

33.

H is the symbol for____.

a)

Helium

b)

Hydrogen

c)

Iron

34.

What is the charge of a proton?

a)

positive

b)

negative

c)

neutral

35.

What is the charge of a neutron?

a)

positive

b)

neutral

c)

negative

36.

Negative is the charge for _____.

a)

protons

b)

neutrons

c)

electrons

37.

Select ALL the subatomic particles that are located in the nucleus

a)

proton

b)

neutron

c)

electron

d)

atom

38.

Where are the electrons located?

a)

nucleus

b)

there are no electrons

c)

energy levels/cloud

d)

in the middle of the atom

39.

Charge of neutrons?

a)

positive

b)

negative

c)

neutral

d)

five

40.

How many protons in an atom of this element?

a)

3

b)

7

c)

4

d)

10

41.

How many neutrons in an atom of this element?

a)

3

b)

7

c)

4

d)

10

42.

How many electrons in a neutral atom of this element?

a)

3

b)

7

c)

4

d)

10

43.
Value representing the number of protons in an element
a)
Atomic Mass
b)
Mass Number
c)
Valence Electrons
d)
Atomic Number
44.
What number indicates an electron?
a)
1
b)
2
c)
3
d)
4
45.

In a neutral atom,

a)

protons = electrons

b)

protons = neutrons

c)

neutrons = electrons

d)

protons = neutrons = electrons

46.

Atomic mass is equal to the sum of _________ and _________ in the atom.

a)

electrons and neutrons

b)

protons and electrons

c)

protons and neutrons

d)

The atomic mass is just the number of protons.

47.

What is the atomic mass of the element shown?

a)

27

b)

58

c)

31

d)

85

48.

How many protons does the element show have?

a)

192

b)

77

c)

115

d)

269

49.

How many neutrons does the element show have?

a)

192

b)

77

c)

115

d)

269

50.

How many electrons does a neutral atom of the element show have?

a)

192

b)

77

c)

115

d)

269

51.

Helium, neon, and argon are examples of


a)

metals.


b)

metalloids.

c)

noble gases.

d)

transitional metals.

52.

Each column in the periodic table is called a

a)

period

b)

group

c)

cluster

d)

unit

53.

The period for Bromine is ___________.

a)

3

b)

2

c)

4

54.
Beryllium is in group number______.
a)
Group 2
b)
Group 3
c)
Group 4
d)
Group 7
55.

The periodic table has __ periods.

a)

18

b)

8

c)

2

d)

7

56.

An element's identity is determined by the number of

a)

electrons.

b)

protons.

c)

neutrons.

d)

valence.

57.

What period and group is Silver (Ag)?

a)

Period 2, Group 1

b)

Period 3, Group 16

c)

Period 5, Group 11

d)

Period 2, 14

58.

A ___________ is an arrangement of elements in columns

a)

columns

b)

rows

c)

periodic table

d)

electron shell

59.

The atomic number tells you what?

a)

number of electrons

b)

number of protons

c)

number of neutrons

d)

both electrons and protons in an atom.

60.

What is the smallest unit of matter called

a)

elements

b)

atoms

c)

compounds

d)

cells

61.
How many protons are in Beryllium?
a)
4
b)
9
c)
5
d)
2
62.
How many neutrons are in a Gold atom?
a)
79
b)
196
c)
118
d)
275
63.

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

64.
In this picture, the Electrons are found in which color?
a)
Blue
b)
Red
c)
Green
65.

Matter in the universe is made from atoms. Atoms make up these pure substances that cannot be broken down into a simpler form.

a)

Compounds

b)

Elements

c)

Molecules

d)

Periodic Table

66.
The Element Symbol for Sodium is
a)
Mg
b)
Na
c)
Au
d)
Cl
67.
Which element symbol is NOT written correctly?
a)
Fe
b)
H
c)
al
d)
Ne
68.
A vertical column is called...
a)
group
b)
tower
c)
period
d)
crew
69.

What period and group is Silver (Ag)?

a)

Period 2, Group 1

b)

Period 3, Group 16

c)

Period 5, Group 11

d)

Period 2, 14

e)

Gentlemen, ask me after class which girls got this correct. Set your standards high!!!!!

70.
An atom has 10 protons, 15 neutrons and 10 electrons what is its mass number.
a)
20
b)
10
c)
5
d)
25
71.

Elements

a)

are pure substances

b)

found on the periodic table

c)

made up of atoms

d)

all of the above

72.

Which of the following is an example of a heterogeneous mixture?

a)

Pepsi

b)

an 8th grade girls class

c)

a pocket full of pennies

d)

animals at the zoo

73.

Compounds are made up of

a)

an element

b)

two or more of the same element that are physically combined

c)

two or more of the different elements that are chemically combined

d)

two or more pounds

74.

Which of the following is a compound

a)

hydrogen and oxygen

b)

H2O

c)

hydrogen

d)

oxygen

75.

Which of the following is a mixture

a)

H2O

b)

Hydrogen and Water

c)

Hydrogen

d)

Water

76.

The image is showing

a)

two different elements

b)

two different compounds

c)

two different mixtures

d)

two different caterpillars

77.

Mixtures

a)

can be separated physically

b)

can be separated chemically

c)

can become compounds

d)

can become elements

78.

The periodic table is mostly comprised of what type of element?

a)

Metals

b)

Nonmetals

c)

Metalloids

79.

Mendeleev first ordered the periodic table of elements by increasing

a)

atomic number

b)

atomic mass

c)

atomic symbol

d)

atomic weight

80.

Which color on the image of the periodic table corresponds with the alkaline earth metals.

a)

yellow

b)

dark yellow

c)

blue/green

d)

teal

81.

Which color on the image of the periodic table corresponds with the metalloids.

a)

bright yellow

b)

gold

c)

teal

d)

light blue

82.

Which color on the image of the periodic table corresponds with the transition metals.

a)

red

b)

black

c)

blue

d)

orange

83.

Which color on the image of the periodic table corresponds with the noble gases.

a)

red

b)

black

c)

blue

d)

orange

84.

Which color on the image of the periodic table corresponds with the halogens.

a)

red

b)

black

c)

blue

d)

orange

85.

Which element conducts electricity the best?

a)

Silicon

b)

Fluorine

c)

silver

d)

Arsenic

86.

What is group name of the most reactive metals?

a)

Noble gases

b)

Halogens

c)

Alkali metals

d)

Alkaline earth metals

87.
What family is silver a part of?
a)
Transition Metals
b)
Noble Gases
c)
Alkali Metals
d)
Alkaline Earth Metals
88.
If you were working out you would be "pumping _______."
a)
I
b)
Fe
c)
Mg
d)
Y
89.
What two elements come together to make this substance in the picture?
a)
Oxygen and Carbon
b)
Sodium and Calcium
c)
Sodium and Chlorine
d)
Helium and Nitrogen
90.
Which one of these is not a noble gas?
a)
Helium
b)
Radon
c)
Iodine
d)
Krypton
91.
What is the symbol for Potassium?
a)
P
b)
K
c)
Pb
d)
Pd
92.

Silicon has an atomic number of 14 and an atomic mass of 28. How many neutrons does it have?

a)

14

b)

28

c)

2

d)

10

93.

Elements in the same group have the same

a)

Properties

b)

Number of electrons

c)

Number of protons

d)

Nucleus

94.
Where electrons are likely to be found as they travel around the nucleus
a)
Nucleus
b)
Electron Cloud
c)
Within a Proton
d)
Within a Neutron

Similar Resources on Wayground

8th MISA TEST REVIEW

90 questions

8th MISA TEST REVIEW

quiz

Worksheet

•

8th Grade

Grade 7 dynamic Earth Quarter 5

95 questions

Grade 7 dynamic Earth Quarter 5

quiz

Worksheet

•

7th Grade

Dr. Potts - Q1 Test Review

93 questions

Dr. Potts - Q1 Test Review

quiz

Worksheet

•

8th Grade

7th Grade Science4 Midterm Review

90 questions

7th Grade Science4 Midterm Review

quiz

Worksheet

•

6th - 8th Grade

CBA #3 Test Review - Earth and Space

99 questions

CBA #3 Test Review - Earth and Space

quiz

Worksheet

•

8th Grade

ACC Q3 UA Review

95 questions

ACC Q3 UA Review

quiz

Worksheet

•

6th Grade

Review for Test Monday

99 questions

Review for Test Monday

quiz

Worksheet

•

7th - 8th Grade

Newton's Laws, Force & Motion

93 questions

Newton's Laws, Force & Motion

quiz

Worksheet

•

8th Grade