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Chemistry Midterm Review

Total questions: 105

Worksheet time: 5hrs 57mins

Name
Class
Date
1.
What are valence electrons?
a)
sum of the protons and neutrons
b)
protons minus electrons
c)
electrons in the inner shells
d)
electrons in the outer shell
2.

What are the vertical columns on the periodic table called?

a)

groups

b)

periods

c)

protons

d)

valence electrons

3.
The period for Bromine is ___________.
a)
3
b)
2
c)
4
4.
Beryllium is in group number______.
a)
Group 2
b)
Group 3
c)
Group 4
d)
Group 7
5.
The majority of elements on the periodic table are
a)
man made.
b)
nonmetals.
c)
metals.
d)
gases.
6.

What are valence electrons?

a)

Electrons in the outermost energy level.

b)

Electrons closest to the nucleus.

c)

Electrons that identify the atom as that of a particular element.

d)

Electrons that release photons and move from a higher to lower energy level.

7.

According to the octet rule most elements need _______ valence electrons to be stable.

a)

2

b)

8

c)

6

d)

18

8.

How many valence electrons does Argon have

a)

8

b)

11

9.

How many valence electrons does Magnesium Have?

a)

1 Valence electron

b)

2 Valence electron

c)

3 Valence electron

d)

4 Valence electron

e)

5 Valence electron

10.

How many valence electrons does Aluminum Have?

a)

1 Valence electron

b)

2 Valence electron

c)

3 Valence electron

d)

4 Valence electron

e)

5 Valence electron

11.
What is the name of this element?
a)
Helium
b)
Hydrogen
c)
Argon
d)
Silver
12.
What is the name of this element?
a)
Lithium
b)
Boron
c)
Carbon
d)
Neon
13.
How many valence electrons?
a)
2
b)
3
c)
5
d)
10
14.

What is this element?

a)

Beryllium (atomic #4)

b)

Boron (atomic #5)

c)

Carbon (atomic #6)

d)

Nitrogen (atomic #7)

15.

What group does this element belong to?

a)

1

b)

2

c)

17

d)

18

16.

Which Bohr model represents Neon?

a)
b)
c)
d)
17.

Name group 1 on the periodic table.

a)

alkali metals

b)

alkaline earth metals

c)

noble gases

noble gases

d)

halogens

18.
Name groups 3B - 12B on the periodic table.
a)
noble gases
b)
halogens
c)
metalloids
d)
transition metals
19.
A charged particle that has gained or lost electrons is called a _____.
a)
molecule
b)
ion
c)
isotope
d)
element
20.
A cation is a ____ ion.
a)
negative
b)
positive
c)
neutral
d)
ficticious
21.
A anion will be a ____ ion.
a)
negative
b)
positive
c)
neutral
d)
ficticious
22.
Which of the following would produce an anion?
a)
Ca
b)
Al
c)
K
d)
F
23.
Which of the following will form an ion with a 2- charge?
a)
Ca
b)
Se
c)
Ge
d)
N
24.
If an element has 3 valence electrons, what charge will likely form on its ion ?
a)
+3
b)
+5
c)
-3
d)
-5
25.
Which is most likely to form a negative ion?
a)
an element from group 17
b)
a metal
c)
an element from group 1
d)
an element with atoms that have eight valence electrons
26.
What atom matches this electron configuration?
1s22s22p63s2
a)
Neon
b)
Magnesium
c)
Aluminum
d)
Potassium
27.
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
28.
How many electrons can the first energy level hold?
a)
1
b)
2
c)
8
d)
0
29.
How many electrons can the d sublevel hold?
a)
8
b)
10
c)
2
d)
4
30.
How many total electrons can the f orbitals in a sublevel hold?
a)
2
b)
14
c)
6
d)
10
31.
What is this element? 
1s22s22p63s23p64s23d104p6
a)
Argon
b)
Krypton
c)
Selenium
d)
Bromide
32.
Rows on the period table are called _____ while columns are called _____.
a)
groups, families
b)
groups, periods
c)
periods, groups
d)
families, groups
33.
An orbital can at most hold how many electrons?
a)
1 electron
b)
2 electrons
c)
3 electrons
d)
4 electrons
34.
Electrons occupy orbitals of lowest energy first is part of what electron configuration rule?
a)
Hund’s Rule
b)
Aufbau Principle
c)
Pauli Exclusion Principle
35.
Electrons are paired based on their spin directions, clockwise and counterclockwise, is what electron configuration rule?
a)
Hund’s Rule
b)
Aufbau Principle
c)
Pauli Exclusion Principle
36.
There are 4 different types of sublevels on the periodic table:
s,p,d,f
a)
True
b)
False
37.
Which orbital shows a violation of Hund's Rule?
a)
A
b)
B
c)
C
d)
D
38.
Which orbital shows a violation of the Pauli Exclusion Principle?
a)
A
b)
B
c)
C
d)
D
39.
Which orbital shows a violation of the Aufbau Principle?
a)
A
b)
B
c)
C
d)
D
40.
The electron configuration of an atom is 1s22s22p6.  The number of electrons in the atom is 
a)
3
b)
6
c)
8
d)
10
41.
What is the electron configuration for Bromine (Br)
a)
1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d1
b)
1s2, 2s2, 2p4
c)
1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p5
d)
1s2, 2s2, 2p6
42.
How many electrons can the first energy level hold?
a)
1
b)
2
c)
8
d)
0
43.
What do you start electron configuration with?
a)
1s2
b)
1d10
c)
1f14
d)
1p6
44.
Which element is pictured?
a)
neon
b)
fluorine
c)
magnesium
d)
argon
45.

What electron configuration matches an oxygen atom?

a)

1s22s22p63s2, 3p64s23d104p5

b)

1s22s22p4

c)

1s22s22p6

d)

1s22s22p63s23p64s23d1

46.

Valence electrons are located...

a)

inside the nucleus

b)

in outer space

c)

on the outermost orbit of an atom

47.
This orbital diagram represents:  
a)
C
b)
B
c)
N
d)
O
48.

What is the electron configuration for iron?

a)

1s22s22p63s23p64s23d6

b)

1s22s22p63s23p64s23d10

c)

[Xe]3d10

d)

1s22s22p63s23p64s2

49.

What is the electron configuration notation for SULFUR

a)

1s2 2s2 2p6 3s2 3p4

b)

1s2 1s2 2p6 3s2 3p2

c)

1s2 2s2 2p3 3s2 3p4

d)

1s2 2s2 2p6 2s4 3p32

50.

What is the correct electron configuration for Ce.

a)

1s22s23p51s^22s^23p^5

b)

1s22s22p63s23p64s23d104p11s^22s^22p^63s^23p^64s^23d^{10}4p^1

c)

1s22s22p63s23p64s23d104p65s24d105p66s24f11s^22s^22p^63s^23p^64s^23d^{10}4p^65s^24d^{10}5p^66s^24f^1

d)

1s22s22p31s^22s^22p^3

51.
What atom matches this electron configuration?
1s22s22p63s2
a)
Neon
b)
Magnesium
c)
Aluminum
d)
Potassium
52.
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
53.
How many electrons can the first energy level hold?
a)
1
b)
2
c)
8
d)
0
54.
How many electrons can the d sublevel hold?
a)
8
b)
10
c)
2
d)
4
55.
How many total electrons can the f orbitals in a sublevel hold?
a)
2
b)
14
c)
6
d)
10
56.
What is this element? 
1s22s22p63s23p64s23d104p6
a)
Argon
b)
Krypton
c)
Selenium
d)
Bromide
57.
Rows on the period table are called _____ while columns are called _____.
a)
groups, families
b)
groups, periods
c)
periods, groups
d)
families, groups
58.
An orbital can at most hold how many electrons?
a)
1 electron
b)
2 electrons
c)
3 electrons
d)
4 electrons
59.
Electrons occupy orbitals of lowest energy first is part of what electron configuration rule?
a)
Hund’s Rule
b)
Aufbau Principle
c)
Pauli Exclusion Principle
60.
Electrons are paired based on their spin directions, clockwise and counterclockwise, is what electron configuration rule?
a)
Hund’s Rule
b)
Aufbau Principle
c)
Pauli Exclusion Principle
61.
There are 4 different types of sublevels on the periodic table:
s,p,d,f
a)
True
b)
False
62.
Which orbital shows a violation of Hund's Rule?
a)
A
b)
B
c)
C
d)
D
63.
Which orbital shows a violation of the Pauli Exclusion Principle?
a)
A
b)
B
c)
C
d)
D
64.
Which orbital shows a violation of the Aufbau Principle?
a)
A
b)
B
c)
C
d)
D
65.
The electron configuration of an atom is 1s22s22p6.  The number of electrons in the atom is 
a)
3
b)
6
c)
8
d)
10
66.
What is the electron configuration for Bromine (Br)
a)
1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d1
b)
1s2, 2s2, 2p4
c)
1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p5
d)
1s2, 2s2, 2p6
67.
How many electrons can the first energy level hold?
a)
1
b)
2
c)
8
d)
0
68.
What do you start electron configuration with?
a)
1s2
b)
1d10
c)
1f14
d)
1p6
69.
Which element is pictured?
a)
neon
b)
fluorine
c)
magnesium
d)
argon
70.

What electron configuration matches an oxygen atom?

a)

1s22s22p63s2, 3p64s23d104p5

b)

1s22s22p4

c)

1s22s22p6

d)

1s22s22p63s23p64s23d1

71.

Valence electrons are located...

a)

inside the nucleus

b)

in outer space

c)

on the outermost orbit of an atom

72.
This orbital diagram represents:  
a)
C
b)
B
c)
N
d)
O
73.

What is the electron configuration for iron?

a)

1s22s22p63s23p64s23d6

b)

1s22s22p63s23p64s23d10

c)

[Xe]3d10

d)

1s22s22p63s23p64s2

74.

What is the electron configuration notation for SULFUR

a)

1s2 2s2 2p6 3s2 3p4

b)

1s2 1s2 2p6 3s2 3p2

c)

1s2 2s2 2p3 3s2 3p4

d)

1s2 2s2 2p6 2s4 3p32

75.

What is the correct electron configuration for Ce.

a)

1s22s23p51s^22s^23p^5

b)

1s22s22p63s23p64s23d104p11s^22s^22p^63s^23p^64s^23d^{10}4p^1

c)

1s22s22p63s23p64s23d104p65s24d105p66s24f11s^22s^22p^63s^23p^64s^23d^{10}4p^65s^24d^{10}5p^66s^24f^1

d)

1s22s22p31s^22s^22p^3

76.

What does Pauli exclusion principle state ?

a)

states that each electron occupies the lowest energy orbital available

b)

states that -no two electrons in the same orbital can have the same spin

c)

states that single electrons electrons with the same spin must occupy each-energy orbital before additional electrons with opposite spins can occupy the same orbitals

77.
Electrons occupy orbitals of lowest energy first is part of what electron configuration rule?
a)
Hund’s Rule
b)
Aufbau Principle
c)
Pauli Exclusion Principle
78.
Which of the following is a p block element?
a)
Ca
b)
Ar
c)
Re
d)
Au
79.
Which electron configuration belongs to Copper (Cu)?
a)
1s2 2s2 2p6 3s2 3p6 4s2 3d8
b)
1s2 2s2 2p6 3s2 3p6 4s2 3d9
c)
1s2 2s2 2p6 3s2 3p6 4s2 3d10
80.

Which area on the periodic table represents the electrons in the "d" sublevel?

a)

representative elements

b)

columns 3-8

c)

rare earth elements

d)

transition elements

81.
How many p orbitals are there in a sublevel?
a)
2
b)
1
c)
4
d)
3
82.
Electron arrangement that uses arrows
a)
Electron configuration
b)
Shorthand configuration
c)
Lewis dot structure
d)
Orbital diagram
83.
What is incorrect about this orbital diagram?
a)
Both arrows in the 2p box should be pointing up
b)
There is nothing incorrect with this diagram
c)
In the 2p box there should only be 1 electron in the first 2p box and one in the 2nd 2p box
d)
All the arrows should be pointing up.
84.
What is the electron configuration of Ag?
a)
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s1 4d10
b)
[Kr] 5s2 4d9
c)
1s2 2s2 2p6 3s2 3p6 4s2 4p6 5s2 4d9
d)
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4d10 4p6 5d10 5s2 4d9
85.

Which of the following is the orbital diagram for gallium (Ga)?

a)
b)
c)
d)
86.

An element's electron configuration ends in 6s2 4f14 3d5. This element would be classified as a....

a)

transition element

b)

actinide

c)

p block element

d)

alkali metal

87.
What is the last orbital filled for an element in period 4, group 4?
a)
4d4
b)
3d2
c)
4d2
d)
3f2
88.
What is the last orbital filled for an element in period 3 group 13?
a)
3p1
b)
3p13
c)
2p1
d)
3p5
89.
What do you start electron configuration with?
a)
1s2
b)
1d10
c)
1f14
d)
1p6
90.
Write the full electronic structure for Sc with 21 electrons.
a)
1s22s22p63s23p63d3
b)
1s22s22p63s23p63d14s2
c)
1s22s22p63s23p64s24d1
d)
1s22s22p63s23p64s23d1
91.
Rows on the period table are called _____ while columns are called _____.
a)
groups, families
b)
groups, periods
c)
periods, groups
d)
families, groups
92.
Why are ions formed?
a)
To make our lives difficult
b)
Because atoms want 8 valence electrons
c)
Because atoms have the same number of protons and electrons
d)
Because atoms gained neutrons
93.
Cations are...
a)
Positive
b)
Negative
c)
Neutral
d)
Purring
94.
An atom becomes _________ when it gains electrons.
a)
Positive
b)
Negative
c)
Neutral
d)
Invinsible
95.
a)
2
b)
3
c)
5
96.
What group does this element belong to?
a)
Group 1: Alkali metals
b)
Group 18: Noble Gases
c)
Group 2: Alkaline-Earth Metals
d)
Group 17: Halogens
97.
How many valence electrons?
a)
2
b)
3
c)
5
d)
10
98.
What's a valence electron?
a)
electrons in the second energy level
b)
electrons in the outermost energy level
c)
the atomic number
d)
electrons in the first level
99.

The innermost energy level has a maximum of how many electrons?

a)

1

b)

2

c)

6

d)

8

100.

What are valence electrons

a)

The outer most electrons

b)

The inner most electrons

c)

The 2nd and 3rd electron to be added to the orbital

d)

The electrons that are pulled off due to frcition

101.

How many Valence electrons are there?

a)

4

b)

3

c)

2

d)

1

102.

Which atom has 4 protons 4 neutrons and 2 electrons

a)
b)
c)
d)
103.

There are 6 protons and 10 electrons. The charge is

a)

C +4

b)

C -4

c)

C +2

d)

C -2

104.

There are 2 protons and 2 electrons. What is the charge?

a)

He +1

b)

He +2

c)

He

d)

He -1

105.

How many energy levels does a sodium (Na) atom have?

a)

1

b)

2

c)

3

d)

11

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