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Review over the Periodic Table

Total questions: 76

Worksheet time: 55mins

Name
Class
Date
1.

What is the atomic number of an element?

a)

The number of protons in an atom

b)

The number of neutrons in an atom

c)

The sum of protons and neutrons

2.

How do you find an element on the periodic table?

a)

By its atomic number

b)

By its atomic mass

c)

By its number of neutrons

d)

By its electron configuration

3.

What information does the periodic table provide about elements?

a)

Atomic number, atomic mass, and chemical symbol

b)

Number of isotopes, electron configuration, and density

c)

Melting point, boiling point, and reactivity

d)

Color, taste, and smell

4.

What is the charge of an electron?

a)

Positive

b)

Negative

c)

Neutral

d)

Variable

5.

In a Bohr diagram, what do the rings represent?

a)

Energy levels of electrons

b)

Layers of protons

c)

Layers of neutrons

d)

Atomic mass

6.

What is the purpose of a Bohr diagram?

a)

To show the arrangement of electrons in an atom

b)

To show the number of protons in an atom

c)

To show the number of neutrons in an atom

d)

To show the atomic mass of an atom

7.

How do you identify an element from a Bohr diagram?

a)

By counting the number of electron shells

b)

By counting the number of protons in the nucleus

c)

By counting the number of neutrons

d)

By the total number of particles

8.

What is the main difference between isotopes of the same element?

a)

Different number of protons

b)

Different number of electrons

c)

Different number of neutrons

d)

Different chemical properties

9.

How do you find the number of electrons in a neutral atom?

a)

It is equal to the number of protons

b)

It is equal to the number of neutrons

c)

It is equal to the atomic mass

d)

It is equal to the atomic number plus neutrons

10.

What is the significance of the atomic number?

a)

It determines the element's identity

b)

It determines the element's mass

c)

It determines the element's volume

d)

It determines the element's density

11.

How do you find the number of neutrons in an atom?

a)

Subtract the atomic number from the atomic mass

b)

Add the atomic number to the atomic mass

c)

Multiply the atomic number by the atomic mass

d)

Divide the atomic mass by the atomic number

12.

Which subatomic particle has no charge?

a)

Proton

b)

Electron

c)

Neutron

d)

Positron

13.

What is the atomic mass of an element?

a)

The total number of protons and neutrons

b)

The total number of electrons

c)

The total number of protons

d)

The total number of neutrons

14.

How can you identify isotopes of an element?

a)

By their atomic number

b)

By their number of neutrons

c)

By their number of electrons

d)

By their chemical symbol

15.

What is the charge of a proton?

a)

Negative

b)

Positive

c)

Neutral

d)

Variable

16.

What determines the chemical properties of an element?

a)

The number of protons

b)

The number of neutrons

c)

The number of electrons

d)

The atomic mass

17.

Which subatomic particle is responsible for the identity of an element?

a)

Electron

b)

Proton

c)

Positron

d)

Neutron

18.

What is the role of neutrons in the nucleus of an atom?

a)

To balance the charge of protons

b)

To determine the chemical properties

c)

To provide stability to the nucleus

d)

To determine the atomic number

19.

What is the charge of a neutron?

a)

Variable

b)

Neutral

c)

Negative

d)

Positive

20.

Which subatomic particle determines the chemical reactivity of an element?

a)

Positron

b)

Neutron

c)

Proton

d)

Electron

21.

What does the atomic mass of an element represent?

a)

The total number of electrons and neutrons

b)

The total number of protons, neutrons, and electrons

c)

The total number of protons and electrons

d)

The total number of protons and neutrons

22.
What is an isotope? 
a)
A charged atom
b)
An atom with different amounts of neutrons
c)
An atom with different amounts of protons
d)
A neutral atom
23.
What charge does an electron have?
a)
Negative
b)
Positive
c)
Neutral
d)
Contrated
24.
What element is this model showing?
a)
Lithium
b)
Boron
c)
Carbon
d)
Neon
25.
How many protons does this atom have?
a)
2.5
b)
6
c)
5
d)
10.811
26.
How many protons does Helium have?
a)
4
b)
4.0026
c)
2
d)
1
27.
Bonus question: What element is this an atom of?
a)
nitrogen
b)
lithium
c)
beryllium
d)
carbon
28.

What is the significance of the mass number in an atom?

a)

It determines the number of electrons

b)

It determines the total number of protons and neutrons

c)

It determines the number of neutrons

d)

It determines the number of protons

29.

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

a)

Positron

b)

Neutron

c)

Electron

d)

Proton

30.

How does the electron configuration affect the chemical behavior of an element?

a)

It determines the element's atomic mass

b)

It determines the element's reactivity and bonding

c)

It determines the element's color

d)

It determines the element's density

31.

Which subatomic particle has a positive charge?

a)

proton

b)

neutron

c)

electron

d)

midichlorian

32.

Which subatomic particle has a negative charge?

a)

proton

b)

neutron

c)

electron

d)

cybertron

33.

What is the center of an atom called?

a)

The headquarters

b)

The centrometer

c)

The hypothesis

d)

The nucleus

34.

The nucleus of an atom contains which subatomic particles?

a)

protons and electrons

b)

protons and neutrons

c)

electrons and neutrons

d)

protons, electrons, and neutrons

35.

Typically in an atom, which two subatomic particles are equal in number?

a)

protons and neutrons

b)

all subatomic particles are equal in number

c)

neutrons and electrons

d)

protons and electrons

36.

What is the atomic mass of Neon?

a)

10

b)

20.18

c)

10.18

d)

30.18

37.

How many electrons does a Copper atom have?

a)

63

b)

29

c)

92

d)

34

38.

How many electrons does a neutral Hydrogen atom have?

a)

1

b)

2

c)

3

d)

0

39.

How many electrons does an atom of Krypton have?

a)

36

b)

83.80

c)

48

d)

119.80

40.
What is the atomic number for an element with 41 neutrons and a mass number of 80?
a)
39
b)
41
c)
80
d)
121
41.

How many protons are present in phosphorus?

a)

15

b)

16

c)

31

d)

46

42.

How many neutrons does this lithium have?

a)

8

b)

3

c)

4

d)

5

43.
What does the 6 represent above the C
a)
Symbol 
b)
Name 
c)
Mass Number 
d)
Atomic Number 
44.

An element is defined by its number of ...

a)

protons

b)

electrons

c)

neutrons

d)

protons + electrons

45.

An atom with atomic number 6 would have how many neutrons?

a)

6

b)

12

c)

3

d)

cannot be determined

46.
What is the atomic number for an element with three protons?
a)
2
b)
1
c)
3
d)
6
47.

A neutral atom of the element sodium has ____ electrons.

a)

22

b)

23

c)

8

d)

11

48.
How many neutrons does an element have with the atomic number of 36?
a)
36
b)
84
c)
48
d)
18
49.
Adding or subtracting neutrons (charge = 0, mass = 1) makes the element change into an...
a)
ion
b)
mixture
c)
isotope
d)
neutral atom
50.

Adding or subtracting electrons changes the elements overall charge and makes the element change into an...

a)

ion

b)

mixture

c)

isotope

d)

neutral atom

51.

Atoms are made up of what?

a)

molecules

b)

compounds

c)

elements

d)

subatomic particles

52.

Which of the following are subatomic particles? (Check all that apply)

a)

protons

b)

neutrons

c)

megatrons

d)

electrons

53.

Which subatomic particle has a positive charge?

a)

proton

b)

neutron

c)

electron

d)

midichlorian

54.

Which subatomic particle has a negative charge?

a)

proton

b)

neutron

c)

electron

d)

cybertron

55.

Which subatomic particle has no charge, also known as a neutral charge?

a)

proton

b)

neutron

c)

electron

d)

chakra

56.

What is the center of an atom called?

a)

The headquarters

b)

The centrometer

c)

The hypothesis

d)

The nucleus

57.

The nucleus of an atom contains which subatomic particles?

a)

protons and electrons

b)

protons and neutrons

c)

electrons and neutrons

d)

protons, electrons, and neutrons

58.

Which subatomic particle does the RED(+) circle represent?

a)

proton

b)

neutron

c)

electron

d)

nucleus

59.

Which subatomic particle does the YELLOW(-) circle represent?

a)

proton

b)

neutron

c)

electron

d)

nucleus

60.

Which subatomic particle does the GREEN( ) circle represent?

a)

proton

b)

neutron

c)

electron

d)

nucleus

61.

Which subatomic particles is counted to determine the type of element the atom represents?

a)

proton

b)

neutron

c)

electron

d)

boron

62.
Which group includes some of the most familiar elements like nickel, iron, and copper?
a)
Inner transition metals
b)
Transition metals
c)
Halogens
d)
Noble gases
63.
How Many Valence Electrons are in the element above?
a)
1
b)
3
c)
5
d)
7
64.
Which element shares chemical properties of Chlorine?
a)
Na
b)
Br
c)
Ar
d)
S
65.

Be is the symbol for

a)

Boron

b)

Beryllium

c)

Bromine

d)

Iron

66.

What is the symbol for Fluorine?

a)

F

b)

Fl

c)

Fe

d)

Fr

67.

Ar is the symbol for

a)

Argon

b)

Arsenic

c)

Aluminum

d)

Astatine

68.

How many protons are in a sodium atom, Na? (tap to enlarge the periodic table)

a)

Sodium has 1 proton.

b)

Sodium has 3 protons.

c)

Sodium has 11 protons

69.

What is the atomic number of Barium, Ba? (enlarge the periodic table)

a)

20

b)

38

c)

56

d)

88

70.

How many neutrons are in the element shown?

a)

4

b)

9

c)

5

d)

13

71.
The periodic table has __ groups.
a)
8
b)
7
c)
18
d)
2
72.
Group 18 elements are known as the _____ _____ and have full valence shells.
a)
royal gases.
b)
supreme solids.
c)
noble gases.
d)
legit liquids.
73.
The atoms along the staircase are called 
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
74.
Most of the elements on the periodic table are classified as _____.
a)
Metals
b)
Nonmetals
c)
Metalloids
d)
Periods
75.
a)
Periods
b)
Groups
76.
a)
Periods
b)
Groups

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