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WorksheetsElectron Configuration Quiz Review
Total questions: 69
Worksheet time: 3hrs 43mins
Name
Class
Date
1.
What atom matches this electron configuration?
1s2 2s2 2p6 3s2
1s2 2s2 2p6 3s2
a)
Neon
b)
Magnesium
c)
Aluminum
d)
Potassium
2.
Which is the electron configuration for an oxygen atom?
a)
1s22s22p63s23p64s2
b)
1s22s22p4
c)
1s22s22p6
d)
1s22s22p63s23p6
3.
What is the maximum number of electrons that an orbital can have?
a)
1 electron
b)
2 electrons
c)
3 electrons
d)
4 electrons
4.
How many valence electrons are represented here?
a)
7
b)
5
c)
2
d)
8
5.
How many d orbitals are there in a given sublevel?
a)
1
b)
3
c)
5
d)
7
6.
How many p orbitals are there in a sublevel?
a)
2
b)
1
c)
4
d)
3
7.
How many electrons can the d sublevel hold?
a)
8
b)
10
c)
2
d)
4
8.
What is this element?
1s22s22p63s23p6
4s23d104p6
1s22s22p63s23p6
4s23d104p6
a)
Argon
b)
Krypton
c)
Selenium
d)
Bromide
9.
What atom matches this electron configuration?
[Xe] 6s2 4f14 5d9
[Xe] 6s2 4f14 5d9
a)
Mercury
b)
Gold
c)
Platinum
d)
Thallium
10.
What is the shorthand electron configuration for Sulfur atom?
a)
[Ar] 3p4
b)
[He] 3s23p4
c)
[Ne] 3s23p4
d)
[Na] 3s23p3
11.
How many electrons can the first energy level hold?
a)
1
b)
2
c)
8
d)
0
12.
How many valence electrons does Chlorine have?
a)
5
b)
2
c)
7
d)
5
13.
How many valence electrons does phosphorus have?
a)
5
b)
2
c)
8
d)
15
14.
What element has the valence shell configuration
3s2 3p2
3s2 3p2
a)
Al
b)
B
c)
Si
d)
Ga
15.
Which element is pictured?
a)
neon
b)
fluorine
c)
magnesium
d)
argon
16.
What noble gas should be used to write the shorthand configuration for Te?
a)
Ar
b)
Kr
c)
Xe
d)
Sb
17.
Identify the element in Period 5 that has 1 valence electron?
a)
Rb
b)
Nb
c)
Ag
d)
Sb
18.
What element in Period 4 has 5 valence electrons?
a)
Zr
b)
As
c)
V
d)
Sb
19.
Which of the following is a p block element?
a)
Ca
b)
Ar
c)
Re
d)
Au
20.
Electron arrangement that uses arrows
a)
Electron configuration
b)
Shorthand configuration
c)
Lewis dot structure
d)
Orbital diagram
21.
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
22.
What electron configuration matches an oxygen atom?
a)
1s22s22p63s2, 3p64s23d104p5
b)
1s22s22p4
c)
1s22s22p6
d)
1s22s22p63s23p64s23d1
23.
What is the electron configuration of Sulfur using noble gas method
a)
[Ne]3s1
b)
[Ne]3s23p3
c)
[Ne]3s23p4
24.
What is the electron configuration of Iodine?
a)
[Kr]5s24d105p6
b)
[Kr]5s24d106p6
c)
[Kr]5s25d106p6
d)
None of the above
25.
The electron configuration of an atom is 1s22s22p6. The number of electrons in the atom is
a)
3
b)
6
c)
8
d)
10
26.
What atom matches this electron configuration?
[Xe] 6s24f145d9
a)
Mercury
b)
Gold
c)
Platinum
d)
Thallium
27.
There are __ energy levels
a)
1
b)
2
c)
7
d)
8
28.
How many atomic orbitals are there in the p sublevel?
a)
2
b)
3
c)
4
d)
5
29.
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
30.
Which electron configuration belongs to Chlorine (Cl)?
a)
1s2 2s2 2p6 3s2 3p5
b)
1s2 2s2 2p6 3s2 3p6
c)
1s2 2s2 2p6 3s2 3p7
31.
Identify the Electron Configuration for Aluminum (Al)
a)
1s2 2s2 2p6 3s2 3p1
b)
1s2 2s2 2p6 3s2 3p3
c)
1s2 2s2 2p6 3s2 4p1
32.
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
33.
What is the noble gas configuration for phosphorus?
a)
[Ar] 3p5
b)
[He] 3s2 3p5
c)
[Ne] 3s2 3p3
d)
[Na] 3s2 3p5
34.
[Ne]3s23p5 is the noble gas configuration for which element?
a)
chlorine
b)
fluorine
c)
sulfur
d)
aluminum
35.
What does Pauli exclusion principle state ?
a)
states that each electron occupies the lowest energy orbital available
b)
states that a maximum of two electrons can occupy a single atomic orbital, but if only if the electros have opposite spins
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
36.
What does Hund's rule states ?
a)
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
b)
states that each electron occupies the lowest energy orbital available
c)
states that a maximum of two electrons can occupy a single atomic orbital, but if only if the electros have opposite spins
37.
What does an atom's electron-dot structure consist of ?
a)
the elements atomic number and mass number which represents the number of protons and neutrons
b)
the element's symbol, which represents the atomic nuclues and inner-level electrons,surrounded by dots representing all of the atom's valence electrons
38.
What atom matches this electron configuration?
1s22s22p63s2
1s22s22p63s2
a)
Neon
b)
Magnesium
c)
Aluminum
d)
Potassium
39.
How many electrons does Si contain? (click to see image)
a)
14
b)
28
c)
2
d)
4
40.
How many electrons can the first energy level hold?
a)
1
b)
2
c)
8
d)
0
41.
The electron configuration of an atom is 1s22s22p6. The number of electrons in the atom is
a)
3
b)
6
c)
8
d)
10
42.
There are 4 different types of subshells s,p,d,f
a)
true
b)
false
43.
Which element is depicted from this orbital diagram
a)
Fluorine
b)
Neon
c)
Chlorine
d)
Argon
44.
Which is associated with more energy?
a)
2p
b)
2s
c)
3p
d)
1s
45.
What is the charge of an atom that has lost one electron?
a)
-1
b)
-2
c)
+1
d)
+2
46.
What is the charge of an atom that has gained one electron?
a)
-1
b)
-2
c)
+1
d)
+2
47.
How many energy levels does Hafnium have?
a)
4
b)
72
c)
6
d)
cannot determine
48.
How can you tell how many valence electrons an atom has?
a)
APE MAN
b)
By the Group
c)
By the Period
d)
By the atomic number
49.
How can you tell how many energy levels an atom has?
a)
APE MAN
b)
By the Group
c)
By the Period
d)
By the atomic mass
50.
Each row on the periodic table represents:
a)
an energy level
b)
a sublevel
c)
an electron
d)
an orbital
51.
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
52.
Which of the following is not a correct designation for a sublevel?
a)
zz
b)
p
c)
d
d)
f
53.
Which periodic table family could have electrons filling orbitals in the s-block?
a)
Alkaine Earth
b)
Halogens
c)
Noble Gases
d)
Transition Metals
54.
How many electrons are in the outer shell of Sodium (Na)?
a)
3
b)
1
c)
2
d)
4
55.
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
56.
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.
57.
How many half-filled orbitals would silicon contain?
a)
0
b)
2
c)
1
d)
3
58.
Which orbital shows a violation of Hund's Rule?
a)
A
b)
B
c)
C
d)
D
59.
Which orbital shows a violation of the Aufbau Principle?
a)
A
b)
B
c)
C
d)
D
60.
Which orbital shows a violation of the Pauli Exclusion Principle?
a)
A
b)
B
c)
C
d)
D
61.
In an electron configuration, what follows 4s?
a)
4p
b)
3d
c)
4s
d)
2f
62.
What rule(s) do you need to know for Electron Configuration?
a)
Aufbau Principle
b)
Pauli Exclusion Principle
c)
Hund's Rule
d)
All of the above
63.
When you get to degenerate orbitals, should you fill them all half way first before pairing the electrons or no?
a)
Yes
b)
No
64.
What is the Aufbau principle?
a)
Within an energy level, s orbitals are the lowest energy, followed by p, d and then f. F orbitals are the highest energy for that level.
b)
The lower the principal quantum number (n) the lower the energy.
c)
All three.
d)
The Aufbau Principle states that electrons enter the lowest energy orbitals first.
65.
What does a degenerate orbital mean?
a)
Huh?
b)
Means they have the same energy.
c)
Having lost the physical, mental, or moral qualities considered normal and desirable; showing evidence of decline.
d)
Degenerate Orbital
66.
For electronic configurations, which orbital should you start with?
a)
f
b)
s
c)
p
d)
d
67.
How many total electrons can the f orbitals in a sublevel hold?
a)
2
b)
14
c)
6
d)
10
68.
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
69.
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
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