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ATOMIC STRUCTURE AND PERIODIC TABLE

Total questions: 150

Worksheet time: 2hrs 38mins

Name
Class
Date
1.

Which of the following are found in the nucleus?

a)

protons and electrons

b)

protons ONLY

c)

protons and neutrons

d)

Electrons only

2.

________________ have a positive charge, ___________________ have NO charge, and _____________________ have a negative charge.

a)

Protons, Electrons, Neutrons

b)

Neutrons, Electrons, Protons

c)

Protons, Neutrons, Electrons

d)

Electrons, Neutrons, Protons

3.

Which of the following are found on the left side of the zig zag line on the periodic table?

a)

Non-metals

b)

metalloids

c)

metals

d)

compounds

4.

_________________________ are the horizontal rows on the periodic table while _______________________ are the vertical columns.

a)

periods/ groups(families)

b)

groups(families)/periods

c)

metals/non-metals

d)

non-metals/metals

5.

Which of the following elements is in (period 4 , group 2)

a)

Carbon

b)

Potassium

c)

Calcium

d)

Sodium

6.

Which of the following has similar properties to potassium (K) because they are in the same group(family)

a)

Sodium (Na)

b)

Magnesium (Mg)

c)

Calcium (Ca)

d)

Gold (Au)

7.

The element Zinc (Zn) has an atomic number of 30 and an atomic mass of 65 therefor each atom of zinc contains ___________protons, ______________neutrons, and _____________electrons.

a)

30,30,35

b)

30, 30, 25

c)

30, 35, 30

d)

35, 30, 30

8.
What element is will have the most similar physical and chemical properties to the element Lithium (Li)?
a)
Sodium (Na)
b)
Magnesium (Mg)
c)
Beryllium (Be)
d)
Calcium (Ca)
9.
What element is will have the most similar physical and chemical properties to the element Bromine (Br)?
a)
Fluorine (F)
b)
Carbon (C)
c)
Krypton (Kr)
d)
Selenium (Se)
10.
The atomic number tells you what?
a)

number of electrons only

b)

number of protons only

c)

number of neutrons only

d)

both electrons and protons in an atom

11.
Which group of the periodic table is composed of inert (not reactive)  gases?
a)
alkali metals
b)
alkaline earth metals
c)
halogens
d)
noble gases
12.
Elements which are shiny, conduct electricity and heat are called
a)
metal
b)
nonmetal
c)
metalloid
d)
nonexistent
13.
The atoms along the staircase are called 
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
14.
What does the 1.00794 stand for?
a)
Hydrogen
b)
atomic number
c)
atomic mass
d)
atomic explosion
15.
In the modern periodic table elements are arranged by:
a)

alphabetical order

b)
atomic number
c)

number of neutrons

d)

color

16.

What group and period does this element belong in? *

a)

period 1 and group 3

b)

period 3 and group 1

c)

period 2 and group 3

d)

period 3 and group 2

17.

Which group does Aluminum belong to?

a)

Group 3

b)

Group 13

c)

Group 6

d)

Group 26

18.

Which period is Oxygen found in?

a)

Period 1

b)

Period 2

c)

Period 3

d)

Group 16

19.

Which element is found in Period 4, Group 8?

a)

Iron

b)

Oxygen

c)

Nickel

d)

Silver

20.

What is the ATOMIC NUMBER of the element found in Period 4, Group 1?

a)

41

b)

4

c)

1

d)

19

21.

Which of the following are found in the nucleus?

a)

protons and electrons

b)

protons ONLY

c)

protons and neutrons

d)

Electrons only

22.

________________ have a positive charge, ___________________ have NO charge, and _____________________ have a negative charge.

a)

Protons, Electrons, Neutrons

b)

Neutrons, Electrons, Protons

c)

Protons, Neutrons, Electrons

d)

Electrons, Neutrons, Protons

23.

Which of the following are found on the left side of the zig zag line on the periodic table?

a)

Non-metals

b)

metalloids

c)

metals

d)

compounds

24.

_________________________ are the horizontal rows on the periodic table while _______________________ are the vertical columns.

a)

periods/ groups(families)

b)

groups(families)/periods

c)

metals/non-metals

d)

non-metals/metals

25.

Which of the following elements is in (period 4 , group 2)

a)

Carbon

b)

Potassium

c)

Calcium

d)

Sodium

26.

Which of the following has similar properties to potassium (K) because they are in the same group(family)

a)

Sodium (Na)

b)

Magnesium (Mg)

c)

Calcium (Ca)

d)

Gold (Au)

27.

The element Zinc (Zn) has an atomic number of 30 and an atomic mass of 65 therefor each atom of zinc contains ___________protons, ______________neutrons, and _____________electrons.

a)

30,30,35

b)

30, 30, 25

c)

30, 35, 30

d)

35, 30, 30

28.
What element is will have the most similar physical and chemical properties to the element Lithium (Li)?
a)
Sodium (Na)
b)
Magnesium (Mg)
c)
Beryllium (Be)
d)
Calcium (Ca)
29.
What element is will have the most similar physical and chemical properties to the element Bromine (Br)?
a)
Fluorine (F)
b)
Carbon (C)
c)
Krypton (Kr)
d)
Selenium (Se)
30.
The atomic number tells you what?
a)

number of electrons only

b)

number of protons only

c)

number of neutrons only

d)

both electrons and protons in an atom

31.
Which group of the periodic table is composed of inert (not reactive)  gases?
a)
alkali metals
b)
alkaline earth metals
c)
halogens
d)
noble gases
32.
Elements which are shiny, conduct electricity and heat are called
a)
metal
b)
nonmetal
c)
metalloid
d)
nonexistent
33.
The atoms along the staircase are called 
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
34.
What does the 1.00794 stand for?
a)
Hydrogen
b)
atomic number
c)
atomic mass
d)
atomic explosion
35.
In the modern periodic table elements are arranged by:
a)

alphabetical order

b)
atomic number
c)

number of neutrons

d)

color

36.

What group and period does this element belong in? *

a)

period 1 and group 3

b)

period 3 and group 1

c)

period 2 and group 3

d)

period 3 and group 2

37.

Which group does Aluminum belong to?

a)

Group 3

b)

Group 13

c)

Group 6

d)

Group 26

38.

Which period is Oxygen found in?

a)

Period 1

b)

Period 2

c)

Period 3

d)

Group 16

39.

Which element is found in Period 4, Group 8?

a)

Iron

b)

Oxygen

c)

Nickel

d)

Silver

40.

What is the ATOMIC NUMBER of the element found in Period 4, Group 1?

a)

41

b)

4

c)

1

d)

19

41.

Subatomic particles with a negative charge

a)

Electrons

b)

Neutrons

c)

Protons

d)

Quarks

42.
Subatomic particles with a positive charge
a)
neutrons
b)
atomic mass
c)
protons
d)
isotopes
43.
Measure mainly of the nuclear particles: protons + neutrons
a)
Subatomic Particles
b)
Atomic Number
c)
Atomic Mass
d)
Gluons
44.
Value representing the number of protons in an element
a)
Atomic Mass
b)
Mass Number
c)
Valence Electrons
d)
Atomic Number
45.
Subatomic particles that are neutral in charge
a)
Neutrons
b)
Protons
c)
Nucleus 
d)
Electrons
46.
A tiny but very dense, positively charged portion of the atom that holds most of the atomic mass
a)
Electron Shells
b)
Orbitals
c)
Electron Cloud
d)
Nucleus
47.
Arrangement of elements organized by atomic number
a)
Electron Cloud 
b)
Periodic Table 
c)
Electron Configuration
d)
None of these
48.
The only element with no neutrons in its nucleus.
a)
Oxygen
b)
Helium 
c)
Hydrogen
d)
Lithium
49.

The smallest particle of an element.

a)

Element

b)

Molecule

c)

Atom

50.

What is one way Neutrons are different from electrons?

a)

they both are negative

b)

neutrons have no charge, while electrons have a negative charge

c)

Both are in the nucleus( center of atom)

d)

Electrons are inside nucleus and neutrons are outside the nucleus.

51.

What is the atomic number?

a)

35

b)

18

c)

17

d)

52

52.

How many protons and electrons does this element have?

a)

35

b)

18

c)

17

d)

52

53.

How many neutrons does Chlorine have?

a)

18

b)

17

c)

35

d)

52

54.

What is the atomic mass of Neon?

a)

10

b)

20

c)

30

55.

How many neutrons does calcium have?

a)

20

b)

40

c)

60

d)

0

56.

What is the atomic mass of Arsenic?

a)

33

b)

107

c)

75

57.
What number indicates the nucleus?
a)
1
b)
2
c)
3
d)
4
58.
What number indicates an electron?
a)
1
b)
2
c)
3
d)
4
59.
All matter is made of 
a)
energy 
b)
atoms 
c)
air
d)
chemistry
60.
Referring to the table, what is the relative mass of a proton?
a)
10
b)
1
c)
0.1
d)
0.01
61.

Subatomic particles with a negative charge

a)

Electrons

b)

Neutrons

c)

Protons

d)

Quarks

62.
Subatomic particles with a positive charge
a)
neutrons
b)
atomic mass
c)
protons
d)
isotopes
63.
Measure mainly of the nuclear particles: protons + neutrons
a)
Subatomic Particles
b)
Atomic Number
c)
Atomic Mass
d)
Gluons
64.
Value representing the number of protons in an element
a)
Atomic Mass
b)
Mass Number
c)
Valence Electrons
d)
Atomic Number
65.
Subatomic particles that are neutral in charge
a)
Neutrons
b)
Protons
c)
Nucleus 
d)
Electrons
66.
A tiny but very dense, positively charged portion of the atom that holds most of the atomic mass
a)
Electron Shells
b)
Orbitals
c)
Electron Cloud
d)
Nucleus
67.
Arrangement of elements organized by atomic number
a)
Electron Cloud 
b)
Periodic Table 
c)
Electron Configuration
d)
None of these
68.
The only element with no neutrons in its nucleus.
a)
Oxygen
b)
Helium 
c)
Hydrogen
d)
Lithium
69.

The smallest particle of an element.

a)

Element

b)

Molecule

c)

Atom

70.

What is one way Neutrons are different from electrons?

a)

they both are negative

b)

neutrons have no charge, while electrons have a negative charge

c)

Both are in the nucleus( center of atom)

d)

Electrons are inside nucleus and neutrons are outside the nucleus.

71.

What is the atomic number?

a)

35

b)

18

c)

17

d)

52

72.

How many protons and electrons does this element have?

a)

35

b)

18

c)

17

d)

52

73.

How many neutrons does Chlorine have?

a)

18

b)

17

c)

35

d)

52

74.

What is the atomic mass of Neon?

a)

10

b)

20

c)

30

75.

How many neutrons does calcium have?

a)

20

b)

40

c)

60

d)

0

76.

What is the atomic mass of Arsenic?

a)

33

b)

107

c)

75

77.
What number indicates the nucleus?
a)
1
b)
2
c)
3
d)
4
78.
What number indicates an electron?
a)
1
b)
2
c)
3
d)
4
79.
All matter is made of 
a)
energy 
b)
atoms 
c)
air
d)
chemistry
80.
Referring to the table, what is the relative mass of a proton?
a)
10
b)
1
c)
0.1
d)
0.01
81.

A student drew a dot cross diagram with 7 valence electrons. Which of the following elements might have the student drawn?

a)

Cl (Chlorine)

b)

Ne (Neon)

c)

N (Nitrogen)

d)

Li (Lithium)

82.
How many electrons does Si contain? (click to see image)
a)
14
b)
28
c)
2
d)
4
83.
Elements which are shiny, conduct electricity and heat are called
a)
metal
b)
nonmetal
c)
metalloid
d)
nonexistent
84.
Group 18 elements are known as the _____ _____ and have full valence shells.
a)
royal gases.
b)
supreme solids.
c)
noble gases.
d)
legit liquids.
85.
Which elements have the most similar chemical properties?
a)
K and Na
b)
K and Ca
c)
K and Cl
d)
K and S
86.
Rows on the period table are called _____ while columns are called _____.
a)
groups, families
b)
groups, periods
c)
periods, groups
d)
families, groups
87.
The central region of an atom where its neutrons and protons are is called the
a)
nucleus 
b)
electron cloud
c)
core 
d)
center 
88.
 Why does group number 18 have the least reactive elements?
a)
They all have an odd number of protons.
b)
They all have an even number of protons. 
c)
They have the largest masses.
d)
Their electron shells are the most filled and do not need to be very reactive.
89.
The period for Bromine is ___________.
a)
3
b)
2
c)
4
90.
What is the atomic mass of "F"
a)
9
b)
18
c)
17
d)
19
91.

Which statement is accurate regarding subatomic particles?

a)

electrons are the heaviest particle, with a positive charge

b)

protons and electrons are equal in mass with positive charges

c)

electrons are neutral with the least mass

d)

protons have a positive charge with a mass of 1 amu and neutrons are neutral with the same mass as a proton

92.

Which of the following is a conclusion of Rutherford's gold foil experiment?

a)

The nucleus is negatively charged

b)

The atom is dense solid and is indivisible

c)

The mass is conserved when atoms react chemically

d)

The nucleus is very small and the atom is mostly empty space

93.

Dalton theorized that atoms were indivisible. Thomson's findings contradicted this because

a)

Thompson theorized that atoms of the same element are identical

b)

Thomson claimed that atoms of different elements could combine chemically to form new compounds

c)

Thomson discovered the electron, proving that subatomic particles exist

d)

Thompson found that atoms of one element cannot become another element

94.

Nitrogen has a(n) ___ of 7 and a(n) ___ of 14

a)

Atomic number, relative atomic mass

b)

Period , atomic number

c)

Relative atomic mass, atomic number

d)

Group, atomic number

95.

80% of Boron is Boron-11 and 20% of Boron is Boron-10. Calculate the relative atomic mass of Boron to one dp.

a)

17.1

b)

10.2

c)

10.8

d)

11

96.

The most stable elements are found in group — and they are called the —

a)

0, noble gases

b)

noble gases, 8

c)

0, halogens

d)

alkali earth metals, 8

97.

If zinc were to lose a proton it would become

a)

Copper

b)

Gallium

c)

Aluminium

98.

What are the two elements which are liquid at room temperature

a)

Mercury, Bromine

b)

Iodine, sodium

c)

Selenium, manganese

99.

Name three elements in the periodic table which are gases (select two lists)

a)

Oxygen, krypton, chlorine

b)

Bromine,oxygen, nitrogen

c)

Radon, helium, hydrogen

d)

Fluoride, chloride,bromide

100.

Is carbon a metal?

a)

Yes

b)

No

101.

A student drew a dot cross diagram with 7 valence electrons. Which of the following elements might have the student drawn?

a)

Cl (Chlorine)

b)

Ne (Neon)

c)

N (Nitrogen)

d)

Li (Lithium)

102.
How many electrons does Si contain? (click to see image)
a)
14
b)
28
c)
2
d)
4
103.
Elements which are shiny, conduct electricity and heat are called
a)
metal
b)
nonmetal
c)
metalloid
d)
nonexistent
104.
Group 18 elements are known as the _____ _____ and have full valence shells.
a)
royal gases.
b)
supreme solids.
c)
noble gases.
d)
legit liquids.
105.
Which elements have the most similar chemical properties?
a)
K and Na
b)
K and Ca
c)
K and Cl
d)
K and S
106.
Rows on the period table are called _____ while columns are called _____.
a)
groups, families
b)
groups, periods
c)
periods, groups
d)
families, groups
107.
The central region of an atom where its neutrons and protons are is called the
a)
nucleus 
b)
electron cloud
c)
core 
d)
center 
108.
 Why does group number 18 have the least reactive elements?
a)
They all have an odd number of protons.
b)
They all have an even number of protons. 
c)
They have the largest masses.
d)
Their electron shells are the most filled and do not need to be very reactive.
109.
The period for Bromine is ___________.
a)
3
b)
2
c)
4
110.
What is the atomic mass of "F"
a)
9
b)
18
c)
17
d)
19
111.

Which statement is accurate regarding subatomic particles?

a)

electrons are the heaviest particle, with a positive charge

b)

protons and electrons are equal in mass with positive charges

c)

electrons are neutral with the least mass

d)

protons have a positive charge with a mass of 1 amu and neutrons are neutral with the same mass as a proton

112.

Which of the following is a conclusion of Rutherford's gold foil experiment?

a)

The nucleus is negatively charged

b)

The atom is dense solid and is indivisible

c)

The mass is conserved when atoms react chemically

d)

The nucleus is very small and the atom is mostly empty space

113.

Dalton theorized that atoms were indivisible. Thomson's findings contradicted this because

a)

Thompson theorized that atoms of the same element are identical

b)

Thomson claimed that atoms of different elements could combine chemically to form new compounds

c)

Thomson discovered the electron, proving that subatomic particles exist

d)

Thompson found that atoms of one element cannot become another element

114.

Nitrogen has a(n) ___ of 7 and a(n) ___ of 14

a)

Atomic number, relative atomic mass

b)

Period , atomic number

c)

Relative atomic mass, atomic number

d)

Group, atomic number

115.

80% of Boron is Boron-11 and 20% of Boron is Boron-10. Calculate the relative atomic mass of Boron to one dp.

a)

17.1

b)

10.2

c)

10.8

d)

11

116.

The most stable elements are found in group — and they are called the —

a)

0, noble gases

b)

noble gases, 8

c)

0, halogens

d)

alkali earth metals, 8

117.

If zinc were to lose a proton it would become

a)

Copper

b)

Gallium

c)

Aluminium

118.

What are the two elements which are liquid at room temperature

a)

Mercury, Bromine

b)

Iodine, sodium

c)

Selenium, manganese

119.

Name three elements in the periodic table which are gases (select two lists)

a)

Oxygen, krypton, chlorine

b)

Bromine,oxygen, nitrogen

c)

Radon, helium, hydrogen

d)

Fluoride, chloride,bromide

120.

Is carbon a metal?

a)

Yes

b)

No

121.

Which are of the following are subatomic particles. Select three:

a)

Protons

b)

Neutrons

c)

Electrons

d)

Nucleus

122.

The atomic number will tell me... (select three)

a)

Number of Protons

b)

Number of Electrons

c)

Number of Neutrons

d)

What element is it

123.

The nucleus of an atom contains which of the following subatomic particles: (Select two)

a)

protons

b)

Neutrons

c)

Electrons

d)

Shells

124.

Hydrogen has an atomic number of 1. How many electrons does hydrogen have?

a)

1

b)

2

c)

4

d)

0

125.

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

126.

Which of the following are properties of a metal: (you should select more than one)

a)

Good conductor of heat and electricity

b)

Brittle (break easily)

c)

Malleable (able to bend without breaking)

d)

Luster (shiny)

e)

Dull

127.

This element is found in group 2, period 3:

a)

Li

b)

Mg

c)

Be

d)

B

128.

Valence electrons are:

a)

Just the electrons on the last energy level (outer shell)

b)

All the electrons in the atom

129.

Which diagram would you draw if you wanted to represent just the valence electrons?

a)

Electron Configuration

b)

Lewis Dot

c)

Bohr Model

130.

What best describes the difference between the bohr model and the lewis dot?

a)

The bohr model diagram represents all the subatomic particles, while the lewis dot diagram only shows the symbol and the valence electrons.

b)

The lewis dot shows all the electrons and the bohr model only shows the electrons in the last shell

c)

The lewis dot shows the number of neutrons and the bohr model only shows the electrons

131.

What is the charge of a proton?

a)

Positive

b)

Negative

c)

No charge, Neutral

132.

What is the charge of an electron?

a)

Postive

b)

Negative

c)

No Charge

133.

Which of the following is the electron configuration for Magnesium, Mg? (Atomic number 12)

a)

2-4-4

b)

2-8-2

c)

2-8

d)

2-4-6

134.

This diagram represents the atom of what element?

a)

Kr (Krypton)

b)

Cd (Cadmium)

c)

Se (Selenium)

d)

Ca (Calcium)

135.

A student drew a lewis dot structure with 7 valence electrons. Which of the following elements might have the student drawn?

a)

Cl (Chlorine)

b)

Ne (Neon)

c)

N (Nitrogen)

d)

Li (Lithium)

136.

Which are of the following are subatomic particles. Select three:

a)

Protons

b)

Neutrons

c)

Electrons

d)

Nucleus

137.

The atomic number will tell me... (select three)

a)

Number of Protons

b)

Number of Electrons

c)

Number of Neutrons

d)

What element is it

138.

The nucleus of an atom contains which of the following subatomic particles: (Select two)

a)

protons

b)

Neutrons

c)

Electrons

d)

Shells

139.

Hydrogen has an atomic number of 1. How many electrons does hydrogen have?

a)

1

b)

2

c)

4

d)

0

140.

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

141.

Which of the following are properties of a metal: (you should select more than one)

a)

Good conductor of heat and electricity

b)

Brittle (break easily)

c)

Malleable (able to bend without breaking)

d)

Luster (shiny)

e)

Dull

142.

This element is found in group 2, period 3:

a)

Li

b)

Mg

c)

Be

d)

B

143.

Valence electrons are:

a)

Just the electrons on the last energy level (outer shell)

b)

All the electrons in the atom

144.

Which diagram would you draw if you wanted to represent just the valence electrons?

a)

Electron Configuration

b)

Lewis Dot

c)

Bohr Model

145.

What best describes the difference between the bohr model and the lewis dot?

a)

The bohr model diagram represents all the subatomic particles, while the lewis dot diagram only shows the symbol and the valence electrons.

b)

The lewis dot shows all the electrons and the bohr model only shows the electrons in the last shell

c)

The lewis dot shows the number of neutrons and the bohr model only shows the electrons

146.

What is the charge of a proton?

a)

Positive

b)

Negative

c)

No charge, Neutral

147.

What is the charge of an electron?

a)

Postive

b)

Negative

c)

No Charge

148.

Which of the following is the electron configuration for Magnesium, Mg? (Atomic number 12)

a)

2-4-4

b)

2-8-2

c)

2-8

d)

2-4-6

149.

This diagram represents the atom of what element?

a)

Kr (Krypton)

b)

Cd (Cadmium)

c)

Se (Selenium)

d)

Ca (Calcium)

150.

A student drew a lewis dot structure with 7 valence electrons. Which of the following elements might have the student drawn?

a)

Cl (Chlorine)

b)

Ne (Neon)

c)

N (Nitrogen)

d)

Li (Lithium)

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