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WorksheetsElectron Configuration
Total questions: 24
Worksheet time: 2hrs 0mins
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 d orbitals are there in a given sublevel?
a)
1
b)
3
c)
5
d)
7
5.
How many p orbitals are there in a sublevel?
a)
2
b)
1
c)
4
d)
3
6.
How many electrons can the d sublevel hold?
a)
8
b)
10
c)
2
d)
4
7.
What is this element?
1s22s22p63s23p6
4s23d104p6
1s22s22p63s23p6
4s23d104p6
a)
Argon
b)
Krypton
c)
Selenium
d)
Bromide
8.
What atom matches this electron configuration?
[Xe] 6s2 4f14 5d9
[Xe] 6s2 4f14 5d9
a)
Mercury
b)
Gold
c)
Platinum
d)
Thallium
9.
What is the shorthand electron configuration for Sulfur atom?
a)
[Ar] 3p4
b)
[He] 3s23p4
c)
[Ne] 3s23p4
d)
[Na] 3s23p3
10.
Which element is pictured?
a)
neon
b)
fluorine
c)
magnesium
d)
argon
11.
How many electrons does Si contain? (click to see image)
a)
14
b)
28
c)
2
d)
4
12.
What do you start electron configuration with?
a)
1s2
b)
1d10
c)
1f14
d)
1p6
13.
What is the shape of an s orbital?
a)
sphere
b)
dumbbell
c)
double dumbbell
d)
TOO COMPLEX TO KNOW IT.
14.
What is the shape of a p orbital?
a)
sphere
b)
it's just too complex to think about it
c)
dumbbell
d)
I don't know this stuff.
15.
Which is associated with more energy?
a)
2p
b)
2s
c)
3p
d)
1s
16.
How many total electrons can the f orbitals in a sublevel hold?
a)
2
b)
14
c)
6
d)
10
17.
Rows on the period table are called _____ while columns are called _____.
a)
groups, families
b)
groups, periods
c)
periods, groups
d)
families, groups
18.
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
19.
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
20.
There are 4 different types of sublevels on the periodic table:
s,p,d,f
s,p,d,f
a)
True
b)
False
21.
Why do we use the three electron configuration rules: Hund's Rule, Aufbau Principle, and Pauli Exclusion Principle?
a)
to know where electrons are located
b)
to know how electrons are oriented in space
c)
to know how electrons are used in chemical reactions
d)
all of these
22.
Which orbital shows a violation of Hund's Rule?
a)
A
b)
B
c)
C
d)
D
23.
Which orbital shows a violation of the Pauli Exclusion Principle?
a)
A
b)
B
c)
C
d)
D
24.
Which orbital shows a violation of the Aufbau Principle?
a)
A
b)
B
c)
C
d)
D
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