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Chemistry Exam #4 Review: Atomic Theory

Total questions: 100

Worksheet time: 5hrs 45mins

Name
Class
Date
1.

The Rows on the Periodic Table are known as

a)

Periods

b)

Groups/Families

c)

Length

d)

Width

2.

The Columns on the Periodic table are known as:

a)

Periods

b)

Groups/Families

c)

Length

d)

Width

3.

How many columns are there on the periodic table?

a)

7

b)

8

c)

14

d)

18

4.

How many rows are there on the periodic table?

a)

7

b)

8

c)

14

d)

18

5.

The elements in the first column are known as the

a)

Halogens

b)

Transition Metals

c)

Alkali Earth Metals

d)

Alkaline Earth Metals

e)

Noble Gases

6.

The elements in the in the second column are known as the: 

a)

Halogens

b)

Transition Metals

c)

Alkali Earth Metals

d)

Alkaline Earth Metals

e)

Noble Gases

7.

The elements in the next to last column are known as the:

a)

Halogens

b)

Transition Metals

c)

Alkali Earth Metals

d)

Alkaline Earth Metals

e)

Noble Gases

8.

The elements in the middle columns are known as:

a)

Halogens

b)

Transition Metals

c)

Alkali Earth Metals

d)

Alkaline Earth Metals

e)

Noble Gases

9.

The elements in the last column are known as the:

a)

Halogens

b)

Transition Metals

c)

Alkali Earth Metals

d)

Alkaline Earth Metals

e)

Noble Gases

10.

The representative elements are in which groups?

a)

Groups 1 and 2, 13-18

b)

Groups 3-12

11.

The transitional elements are in which groups?

a)

Groups 1 and 2, 13-18

b)

Groups 3-12

12.

Define the term Valence Electrons.

a)

Electrons in the inner most shell

b)

Electrons in the middle shell

c)

Electrons in the outermost shell

d)

Electrons that do not participate in bonding

13.

How many valence electrons are in group 1?

a)

1

b)

2

c)

3

d)

4

e)

5

14.

How many valence electrons are in group 2?

a)

1

b)

2

c)

3

d)

4

e)

5

15.

How many valence electrons are in group 13?

a)

1

b)

2

c)

3

d)

4

e)

13

16.

How many valence electrons are in group 14?

a)

1

b)

2

c)

3

d)

4

e)

14

17.

How many valence electrons are in group 15?

a)

1

b)

2

c)

3

d)

15

e)

5

18.

How many valence electrons are in group 16?

a)

16

b)

6

c)

3

d)

15

e)

5

19.

How many valence electrons are in group 17?

a)

7

b)

6

c)

17

d)

15

e)

5

20.

How many valence electrons are in group 18?

a)

7

b)

6

c)

17

d)

18

e)

8

21.

Metals are found in EXCLUSIVELY in which columns?

a)

Group 1

b)

Group 1-10

c)

Group 1-12

d)

Group 1-14

22.

Select the properties of metals:

a)

Mallabile

b)

Ductile

c)

Mostly not solids

d)

Good conductors of heat and electricity

e)

Shiny

23.

 Non-Metals are found MOSTLY in which columns?

a)

Groups 10-18

b)

Groups 13-18

c)

Groups 14-18

d)

Groups 1-18

24.

Select the properties of Non-Metals:

a)

Poor Conductor of electricity

b)

Dull

c)

Mostly Gases

d)

Non-Malleable

e)

Shiny

25.

Name the only metal that is not a solid.

a)

Bromine

b)

Gold

c)

Aluminum

d)

Mercury

26.

Name the only non-metal that is a liquid

a)

Bromine

b)

Gold

c)

Aluminum

d)

Mercury

27.

How did Dimitri Mendeleev organize the periodic table?

a)

By Atomic Number

b)

By Electron Number

c)

By Atomic Mass

d)

By Neutron Number

28.

What made Dimitri Mendeleev unique?

a)

He was first to try to organize the periodic table

b)

He was able to predict elements that were yet discovered and its properties

c)

He organized the periodic table by atomic number

d)

None of these

29.

What was Henry Mosley’s contribution to the development of the periodic table?

a)

Organized it by atomic number

b)

Organized it by atomic mass

c)

Organized it by neutron number

d)

Organized it by electron number

30.

Which experiment lead to the discovery of the electron?

a)

Gold Foil Experiment

b)

Beryllium Experiment

c)

Cathode Ray Tube

d)

TV Tube Ray

31.

Which experiment lead to the discovery of the nucleus?

a)

Gold Foil Experiment

b)

Beryllium Experiment

c)

Cathode Ray Tube

d)

TV Tube Ray

32.

Which experiment lead to the discovery of the neutron?

a)

Gold Foil Experiment

b)

Beryllium Experiment

c)

Cathode Ray Tube

d)

TV Tube Ray

33.

Which scientist discovered the electron?

a)

Neihls Bohr

b)

Ernest Rutherford

c)

James Chadwick

d)

J.J. Thomson

34.

Which scientist discovered the nucleus?

a)

Neihls Bohr

b)

Ernest Rutherford

c)

James Chadwick

d)

J.J. Thomson

35.

Which scientist discovered the neutron

a)

Neihls Bohr

b)

Ernest Rutherford

c)

James Chadwick

d)

J.J. Thomson

36.

Which scientist proposed the billiard ball model of the atom?

a)

Neihls Bohr

b)

Ernest Rutherford

c)

James Chadwick

d)

J.J. Thomson

e)

John Dalton

37.

Which scientist proposed the pudding plum model of the atom?

a)

Neihls Bohr

b)

Ernest Rutherford

c)

James Chadwick

d)

J.J. Thomson

e)

John Dalton

38.

Which scientist proposed the model of the atom that has mostly empty space with electrons on the outside and protons and neutrons in the nucleus?

a)

Neihls Bohr

b)

Ernest Rutherford

c)

James Chadwick

d)

J.J. Thomson

e)

John Dalton

39.

Which scientist proposed the model of the atom that says that electrons exist in orbitals or shells?

a)

Neihls Bohr

b)

Ernest Rutherford

c)

James Chadwick

d)

J.J. Thomson

e)

John Dalton

40.

Who was the 1st to propose Atomic Theory?

a)

Aristotle

b)

Democritus

c)

John Dalton

d)

Isaac Newton

41.

Democritus was the first to use the term:

a)

Element

b)

Atom

c)

Molecule

d)

Bonding

42.

Which is NOT one of fundamental elements proposed by Aristotle?

a)

Air

b)

Water

c)

Oxygen

d)

Earth

e)

Fire

43.

Which is NOT a part of Dalton’s Atomic Theory?

a)

Atoms of the same element can be different

b)

Atoms combine in whole number ratios

c)

All atoms of the same element are identical

d)

Reactions occur when atoms combine, separate and rearrange

e)

Atoms are indivisible

44.

Which is parts of Dalton’s Atomic Theory were proven to be incorrect?

a)

All Matter is made of atoms

b)

Atoms combine in whole number ratios

c)

All atoms of the same element are identical

d)

Reactions occur when atoms combine, separate and rearrange

e)

Atoms are indivisible

45.

What is an isotope?

a)

Same element with a different number of electrons

b)

Same element with a different number of protons

c)

Same element with a different number of neutrons

d)

Same element with a same number of neutrons

46.

Which is an alpha particle?

a)

42He\frac{4}{2}He

b)

0−1β\frac{0}{-1}\beta

c)

00γ\frac{0}{0}\gamma

d)

24α\frac{2}{4}\alpha

47.

Which is a beta particle?

a)

42He\frac{4}{2}He

b)

0−1β\frac{0}{-1}\beta

c)

00γ\frac{0}{0}\gamma

d)

24α\frac{2}{4}\alpha

48.

Which is a gamma ray?

a)

42He\frac{4}{2}He

b)

0−1β\frac{0}{-1}\beta

c)

00γ\frac{0}{0}\gamma

d)

24α\frac{2}{4}\alpha

49.

An alpha particle consists of:

a)

2 Electrons and 2 Neutrons

b)

2 Protons and 2 Electrons

c)

2 Neutrons and 2 Protons

d)

One Electron

e)

No Mass

50.

A beta particle consists of:

a)

2 Electrons and 2 Neutrons

b)

2 Protons and 2 Electrons

c)

2 Neutrons and 2 Protons

d)

One Electron

e)

No Mass

51.

A gamma ray consists of:

a)

2 Electrons and 2 Neutrons

b)

2 Protons and 2 Electrons

c)

2 Neutrons and 2 Protons

d)

One Electron

e)

No Mass

52.

How many valence electrons?

a)

2

b)

3

c)

4

d)

5

53.

Which Bohr model represents Neon?

a)
b)
c)
d)
54.

This could be the dot diagram of

a)

Mg

b)

Cl

c)

C

d)

O

55.

This could be the dot diagram of

a)

Mg

b)

Cl

c)

C

d)

O

56.

How would you draw a Lewis dot diagram for Magnesium?

a)
b)
c)
d)
57.

Which Lewis structure below could represent the element in this Bohr model?

a)
b)
c)
d)
58.

What is the correct lewis dot diagram for Boron?

a)
b)
c)
d)
59.

According to the Bohr model, what is the max number of electrons that each energy level can hold?

a)

2, 8, 8 and 18

b)

2, 4, 4 and 6

c)

3, 6, 6 and 9

d)

4, 16, 16 and 36

60.

Energy Level 1 has how many electrons?

a)

2

b)

8

c)

18

d)

32

61.

Energy Level 2 has how many electrons?

a)

2

b)

8

c)

18

d)

32

62.

Energy Level 3 has how many electrons?

a)

2

b)

8

c)

18

d)

32

63.

Energy Level 4 has how many electrons?

a)

2

b)

8

c)

18

d)

32

64.

Write the hyphen notation for the element with 26 protons and 31 neutrons

a)

Iron-57

b)

Iron-26

c)

Lanthanum-57

d)

Lanthanum-26

65.

Write the nuclear symbol notation for the element with 26 protons and 31 neutrons

a)

2657Fe

b)

5626Fe

c)

5726Fe

d)

5526Fe

66.

Write the hyphen notation for the element with 19 protons and 21 neutrons

a)

Scandium - 40

b)

Potassium - 39

c)

Potassium - 19

d)

Potassium - 40

67.

Write the nuclear symbol notation for the element with 19 protons and 21 neutrons

a)

4019K

b)

4019Ca

c)

1940K

d)

3919K

68.

Write the nuclear symbol notation for the element with 79 protons and 120 neutrons

a)

12079Au

b)

20079Au

c)

79199Au

d)

19979Au

69.

Write the hyphen notation for the element with 79 protons and 120 neutrons

a)

Gold - 199

b)

Gold - 79

c)

Gold - 120

d)

Gold - 41

70.

An element has two naturally occurring isotopes. One is 10.013 amu and is 19.9% abundant. The other is 11.01 amu and is 80.1% abundant. What is the average atomic mass? What element is it?

a)

9.012, Beryllium

b)

6.941, Lithium

c)

12.011, Carbon

d)

10.812, Boron

71.

Naturally occurring chlorine that is put in pools is 75.53 percent 35Cl (mass = 34.969 amu) and 24.47 percent 37Cl (mass = 36.966 amu). Calculate the average atomic mass.

a)

35.46 amu

b)

35.00 amu

c)

37.00 amu

d)

17.00 amu

72.
Solve this equation for alpha decay.
85209At = ___ + 24He
a)
83205Bi
b)
86209Rn
c)
81207Tl
d)
85208At
73.
Solve this equation for beta decay.
614C = ___ + -10e
a)
410Be
b)
714N
c)
210He
d)
613C
74.
Solve this equation for beta decay.
6027Co = ___ + 0-1e
a)
5625Mn
b)
6028Ni
c)
5823V
d)
5927Co
75.

Identify the missing substance in each of the following nuclear reaction.

_____→13756 Ba + 0−1 e

a)

13755Ba

b)

13757La

c)

13856Ba

d)

13755Cs

76.

Ultimately, Schrodinger's model had electrons in ______ around the nucleus

a)

Specific orbits

b)

Nodes

c)

Waves

d)

Clouds

77.

Which model is the Plum-Pudding Model

a)

b)

c)

d)

e)

78.

Which model is the Electron Cloud Model?

a)

b)

c)

d)

e)

79.

Which model is the Nuclear Model?

a)

b)

c)

d)

e)

80.

Which model is the Billiard Ball Model?

a)

b)

c)

d)

e)

81.

Which model is the Planetary Model?

a)

b)

c)

d)

e)

82.

How is the nature of electrons best described?

a)

particle

b)

wave

c)

particle and wave

83.

165 pounds into kilograms (2.2 pounds = 1 kg)

a)

77 kilograms

b)

75 kilograms

c)

120 kilograms

d)

132 kilograms

84.

565,900 seconds into days ( 86,400 seconds = 1 day)

a)

3.5 days

b)

4 days

c)

6.5 days

d)

6 days

85.

Changing the number of electrons of an atom would give you a(n):

a)

New Element

b)

Isotope

c)

Ion

d)

All of these

86.

Changing the number of protons of an atom would give you a(n):

a)

New Element

b)

Isotope

c)

Ion

d)

All of these

87.

Changing the number of neutrons of an atom would give you a(n):

a)

New Element

b)

Isotope

c)

Ion

d)

All of these

88.

Letter A indicates the:

a)

Atomic Mass

b)

Symbol

c)

Chemical Name

d)

Atomic Number

89.

Letter B indicates the:

a)

Atomic Mass

b)

Symbol

c)

Chemical Name

d)

Atomic Number

90.

Letter C indicates the:

a)

Atomic Mass

b)

Symbol

c)

Chemical Name

d)

Atomic Number

91.

Letter D indicates the:

a)

Atomic Mass

b)

Symbol

c)

Chemical Name

d)

Atomic Number

92.

Which set of elements are special because they are called Rare Earth Elements, are essential for technology such as cell phones and laptops and are known to give off light as well?

a)

Alkali Earth Metals

b)

Lanthanides

c)

Actinides

d)

Noble Gases

93.

Which set of elements are special because they are all radioactive and usually found in the context of nuclear reactions?

a)

Lanthanides

b)

Alkaline Earth Metals

c)

Transition Metals

d)

Actinides

94.

Which set of elements are special because they are all soft, explosive in water, shiny, excellent conductors and form salts with the halogens?

a)

Lanthanides

b)

Alkali Earth Metals

c)

Transition Metals

d)

Actinides

95.

Which set of elements are special because they are hard, extremely mallable, excellent conductors and form a variety of charges such as +2, +3, +4 and +5

a)

Lanthanides

b)

Alkali Earth Metals

c)

Transition Metals

d)

Actinides

96.

Which set of elements are special because they are dull, non-conductors, brittle and non-reactive?

a)

Lanthanides

b)

Alkali Earth Metals

c)

Transition Metals

d)

Noble Gases

97.

Which set of elements are special because they are extremely reactive, poisonous to humans, form salts with the Alkali Metals, dull and poor conductors?

a)

Transition Metals

b)

Actinides

c)

Halogens

d)

Noble Gases

98.

Which set of elements are special because they are harder and denser than Group 1 elements, but still shiny, mallable, and good conductors of electricity?

a)

Transition Metals

b)

Halogens

c)

Alkali Earth Metals

d)

Alkaline Earth Metals

99.

Mass Number =

a)

Protons

b)

Electrons

c)

Neutrons + Electrons

d)

Neutrons + Protons

100.

Neutrons =

a)

Proton Number

b)

Mass Number - Proton Number

c)

Proton Number + Electron Number

d)

Proton Number + Mass Number

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