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Unit 6 Review Atoms

Total questions: 100

Worksheet time: 2hrs 58mins

Name
Class
Date
1.

Which subatomic particle has a positive charge?

a)

proton

b)

neutron

c)

electron

d)

midichlorian

2.

Which subatomic particle has a negative charge?

a)

proton

b)

neutron

c)

electron

d)

cybertron

3.

What is the center of an atom called?

a)

The headquarters

b)

The centrometer

c)

The hypothesis

d)

The nucleus

4.

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

5.

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

6.

What is the atomic mass of Neon?

a)

10

b)

20.18

c)

10.18

d)

30.18

7.

How many electrons does a Copper atom have?

a)

63

b)

29

c)

92

d)

34

8.

How many electrons does a neutral Hydrogen atom have?

a)

1

b)

2

c)

3

d)

0

9.

How many electrons does an atom of Krypton have?

a)

36

b)

83.80

c)

48

d)

119.80

10.
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
11.

How many protons are present in phosphorus?

a)

15

b)

16

c)

31

d)

46

12.

How many neutrons does this lithium have?

a)

8

b)

3

c)

4

d)

5

13.
What does the 6 represent above the C
a)
Symbol 
b)
Name 
c)
Mass Number 
d)
Atomic Number 
14.

An element is defined by its number of ...

a)

protons

b)

electrons

c)

neutrons

d)

protons + electrons

15.

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

a)

6

b)

12

c)

3

d)

cannot be determined

16.
What is the atomic number for an element with three protons?
a)
2
b)
1
c)
3
d)
6
17.

A neutral atom of the element sodium has ____ electrons.

a)

22

b)

23

c)

8

d)

11

18.
How many neutrons does an element have with the atomic number of 36?
a)
36
b)
84
c)
48
d)
18
19.
Adding or subtracting neutrons (charge = 0, mass = 1) makes the element change into an...
a)
ion
b)
mixture
c)
isotope
d)
neutral atom
20.

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

21.

Who was Ernset Rutherford?

a)

English Science teacher who developed the first Atomic Theory

b)

English physicist who discovered an electron

c)

German physicist who discovered a proton

d)

New Zealand born physicist who established existence of a positively charged nucleus in an atom

22.

What were J. J. Thomson's three contributions to the atomic theory?

a)

Discovered the electron

b)

Discovered the nucleus -did the gold foil experiment

c)

Used the cathode ray tube in his discovery

d)

Created a model of the atom with electrons moving around the nucleus in fixed orbits

23.

Do electrons contribute to the atomic mass of an atom?

a)

YES of course, they are there for a reason

b)

NO, they are useless to the atom

c)

No, their mass is too small to contribute to the mass

d)

YES, silly, they are the superstars of the atom

24.
The number of protons is equal to 
a)
the atomic number
b)
the number of neutrons
c)
the energy levels
d)
the periodic table groups
25.
The first energy level can hold up to how many electrons?
a)
8
b)
4
c)
2
d)
5
26.
Which subatomic particles contribute the most to the mass of an atom?
a)
Protons, Neutrons, Electrons
b)
Protons only
c)
Protons and Electrons
d)
Protons and Neutrons
27.
How many valence electrons in this structure?
a)
6
b)
5
c)
4
d)
7
28.
When an atom loses a valence electron, it becomes a(n) _____________ ion.
a)
positive
b)
negative
c)
neutral
d)
polyatomic
29.
Elements can have the same number of protons?
a)
True
b)
False
30.
An element's identity is determined by the number of
a)
electrons.
b)
protons.
c)
neutrons.
d)
valence.
31.
A neutron has a charge of
a)
+2
b)
No charge
c)
-1
d)
+1
32.
A proton is....
a)
A negatively charged subatomic particle
b)
A positively charged subatomic particle
c)
A neutrally charged subatomic particle
d)
The only subatomic particle located in the nucleus
33.
How many electrons does S2- have?
a)
16
b)
18
c)
14
d)
12
34.
How many electrons does Cu4+ have?
a)
29
b)
33
c)
25
d)
30
35.
What is the atomic mass of Copper?
a)
63
b)
29
c)
34
d)
92
36.
How many protons are in Zirconium (Zr) ?
a)
40
b)
91
c)
30
d)
65
37.
How many neutrons does this isotope of lithium have?
a)
8
b)
3
c)
4
d)
5
38.
An atom with 19 protons, and 19 electrons and a mass of 39 has how many neutrons?
a)
19
b)
39
c)
20
d)
58
39.

If an ion of 27Al3+ has 13 protons, how may electrons does it have?

(a)  

40.

How many neutrons does a Bromine-80 ion have?

a)

80

b)

45

c)

35

d)

36

41.

How many neutrons does Helium-4 have?

a)

4

b)

2

c)

8

d)

0

42.

An atom of Uranium-238 has 92 protons and 146 neutrons, what is its atomic mass?

a)

146

b)

54

c)

92

d)

238

43.

If a sodium ion has a +1 charge, how many electrons are there?

a)

12

b)

10

c)

11

44.

If a sulfur ion has a -2 charge, how many electrons are there?

a)

16

b)

14

c)

18

45.

If a aluminum ion has a +3 charge, how many electrons are there?

a)

13

b)

10

c)

16

46.

In a neutral atom, what 2 subatomic particles must be equal?

a)

Neutrons

b)

Protons

c)

Electrons

47.

In a neutral boron atom, how many electrons are there?

(a)  

48.

What are valence electrons?

a)

Any of an atom's electrons

b)

Electrons located on the first energy level

c)

Electrons not attached to any atom

d)

electrons located on the outer energy level

49.

What category is silicon (Si) a part of?

a)

Metal

b)

Nonmetal

c)

Metalloid

d)

Halogens

50.

What is group name of the most reactive metals?

a)

Noble gases

b)

Halogens

c)

Alkali metals

d)

Alkaline earth metals

51.

Why are halogens so reactive?

a)

They want to get rid of their only valance electron

b)

They only need one more electron

c)

They are non reactive, they have a full shell

52.

Which element conducts electricity the best?

a)

Silicon

b)

Fluorine

c)

silver

d)

Arsenic

53.
The atoms along the staircase are called 
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
54.
Which is a halogen?
a)
Helium
b)
Chlorine
c)
Oxygen
d)
Neptune
55.

Which element is not a metal?

a)

Sr

b)

Ni

c)

Al

d)

B

56.
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
57.

Which of the following are conductive?

a)

He

b)

Cs

c)

Au

d)

Te

58.
What does 12.011 represent?
a)
atomic mass
b)
atomic number
c)
element name
d)
chemical symbol 
59.

What are the vertical columns on the periodic table called?

a)

Groups

b)

Periods

c)

Elements

d)

Valence electrons

60.

Which group of elements have one valence electron(s)?

a)

Group 13

b)

Group 2

c)

Group 18

d)

Group 1

61.

Which group of elements are the most reactive metals?

a)

Group 2

b)

Group 1

c)

Group 13

d)

Group 18

62.

Which group of elements are the most reactive nonmetals?

a)

Group 2

b)

Group 1

c)

Group 18

d)

Group 17

63.

Which group of elements are nonreactive due to already being chemically stable?

a)

Group 17

b)

Group 1

c)

Group 2

d)

Group 18

64.

What are the horizontal rows on the periodic table called?

a)

Valence electrons

b)

Elements

c)

Periods

d)

Groups

65.

Which classification of elements are shiny, silvery solids and good conductors of heat and electricity?

a)

Transition metals

b)

Metalloids

c)

Nonmetals

d)

Metals

66.

Which classification of elements are gases or dull brittle solids and poor conductors?

a)

Transition metals

b)

Metals

c)

Nonmetals

d)

Metalloids

67.

Match the following group names:

a)

Group 1

1.

Alkali metals

b)

Group 2

2.

Alkaline earth metals

c)

Group 3

3.

Rare earth metals

d)

Group 17

4.

Halogens

e)

Group 18

5.

Noble gases

68.

Label the following periodic table

a)

metals

b)

nonmetals

c)

matalloids

d)

transition metals

1
2
3
4
1)
2)
3)
4)
69.

Organize these options into the right categories

Categorize the following

shiny, silvery solids

good conductors of heat and electricity

malleable and ductile

located ot the left of the metalloids

gases, or dull brittle solids

poor conductors

right of the metalloids

solids

semi-conductors

physcial properties like metals

chemical properties like nonmetals

Metals
Nonmetals
Metalloids
70.

What is a Bohr Model

a)

diagrams for funsies

b)

simple diagrams that show the atomic structure of an atom

c)

diagrams that show where it is at on the periodic table

d)

not the answer

71.
What is the name of this element?
a)
Helium
b)
Hydrogen
c)
Argon
d)
Silver
72.

What element is represented in this Bohr Model?

a)

Carbon

b)

Hydrogen

c)

Aluminum

d)

Lithium

73.
What is the name of this element?
a)
Lithium
b)
Boron
c)
Carbon
d)
Neon
74.
What is the mass number of this atom?
a)
1
b)
3
c)
4
d)
7
75.
What is the atomic number of this atom?
a)
2
b)
4
c)
6
d)
none of the above
76.

What is the atomic number of this element?

a)

17

b)

18

c)

35

d)

35.453

77.

What is the mass number of this atom of Chlorine?

a)

17

b)

18

c)

35

d)

35.453

78.

Which element does this Bohr model represent?

a)

Aluminum

b)

Silicon

c)

Magnesium

d)

Cobalt

79.

What is the mass of this atom?

a)

9

b)

10

c)

19

d)

28

80.

What element does this Bohr model represent?

a)

Chromium

b)

Magnesium

c)

Carbon

d)

Krypton

81.
How many electrons should Lithium have around its Lewis dot model?
a)
1
b)
2
c)
3
d)
4
82.
How many electrons should Beryllium have around its Lewis dot model?
a)
1
b)
2
c)
3
d)
4
83.
How many electrons should Boron have around its Lewis dot model?
a)
1
b)
3
c)
5
d)
7
84.
How many electrons should Carbon have around its Lewis dot model?
a)
1
b)
3
c)
4
d)
5
85.
How many electrons should Nitrogen have around its Lewis dot model?
a)
1
b)
3
c)
4
d)
5
86.
How many electrons should Oxygen have around its Lewis dot model?
a)
5
b)
6
c)
7
d)
8
87.
How many electrons should Flourine have around its Lewis dot model?
a)
5
b)
6
c)
7
d)
8
88.
How many electrons should Neon have around its Lewis dot model?
a)
5
b)
6
c)
7
d)
8
89.
24.1% of all the isotopes of a an element have a mass of 75.23 amu, 48.7% have a mass of 74.61 amu, and 27.2% have a mass of 75.20 amu.
What is the average mass of this element?
a)
74.92 amu
b)
24.97 amu
c)
75.01 amu
d)
74.51 amu
90.
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)
12.011, Carbon
c)
6.941, Lithium
d)
10.812, Boron
91.

If an element has two isotopes with masses 8 amu and 10 amu, and their abundances are 60% and 40% respectively, what is the average atomic mass of the element?

a)

8.8 amu

b)

10.4 amu

c)

9.6 amu

d)

9.2 amu

92.

Who developed the planetary model of the atom?

a)

Niels Bohr

b)

Ernest Rutherford

c)

John Dalton

d)

Democritus

93.

JJ Thomson discovered the

a)

nucleus

b)

proton

c)

neutron

d)

electron

94.

Who created the plum pudding model?

a)

JJ Thomson

b)

Ernest Rutherford

c)

Niels Bohr

d)

John Dalton

95.

What did Ernest Rutherford fire at the gold foil?

a)

radioactive particles

b)

particles

c)

subatomic particles

d)

alpha particles

96.

What did Niels Bohr discover about electrons?

a)

Electrons orbit the nucleus

b)

Protons circle the nucleus

c)

The nucleus circle the atom

d)

Electrons don't exist

97.

James Chadwick discovered the

a)

electron

b)

proton

c)

neutron

d)

alpha particle

98.

Which part of the atom has the smallest mass?

a)

electron

b)

proton

c)

neutron

d)

nucleus

99.

What did Erwin Schrodinger do to help with atomic theory?

a)

He developed the Electron Cloud Model.

b)

Made the Bohr Model.

c)

Discovered the Protons.

d)

None of the Above.

100.

Carbon-14 has ____ protons, ____ electrons, and _____ neutrons.

a)

6, 6, 8

b)

6, 6, 6

c)

6, 6, 14

d)

6, 10, 14

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