WorksheetsElectron Configuration/Orbital Diagram Review
Total questions: 25
Worksheet time: 26mins
Name
Class
Date
1.
What is the noble gas shorthand electron for Sulfur atom?
a)
[Ar] 3p4
b)
[He] 3s23p4
c)
[Ne] 3s23p4
d)
[Na] 3s23p4
2.
What is the noble gas shorthand electron for Sulfur atom?
a)
[Ar] 3p4
b)
[He] 3s23p4
c)
[Ne] 3s23p4
d)
[Na] 3s23p4
3.
What is the electron configuration for this atom?
a)
1s22s22p6
b)
1s22s22p5
c)
1s22s22p3
d)
2s22p3
4.
What atom matches this electron configuration?
1s22s22p63s2
1s22s22p63s2
a)
Neon
b)
Magnesium
c)
Aluminum
d)
Potassium
5.
Which element is depicted from this orbital diagram
a)
Fluorine
b)
Neon
c)
Chlorine
d)
Argon
6.
How many electron can be found in a s orbital?
a)
2
b)
3
c)
4
d)
1
7.
What is the electronic configuration of sodium?
a)
1s22s22p63s1
b)
[Ne]3s1
c)
1s22s22p7
d)
Both A and B are correct
8.
What is the electronic configuration of iron?
a)
1s22s22p63s23p64s23d6
b)
1s22s22p63s23p63d8
c)
1s22p63s23p64s23d6
d)
1s22s22p63s23p64s13d6
9.
How many electrons can the first energy level hold?
a)
1
b)
2
c)
8
d)
0
10.
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
11.
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
12.
Each row on the periodic table represents:
a)
an energy level
b)
a sublevel
c)
an electron
d)
an orbital
13.
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
14.
How many valence electrons are in Phosphorus?
a)
15
b)
4
c)
5
d)
31
15.
How many electrons are in the outer shell of Sodium (Na)?
a)
3
b)
1
c)
2
d)
4
16.
This orbital diagram represents:
a)
C
b)
B
c)
N
d)
O
17.
This orbital diagram represents:
a)
C
b)
B
c)
N
d)
O
18.
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 there should only be 1 orbital in the first 2p box and one in the 2nd 2p box
d)
All the arrows should be pointing up.
19.
Which element is pictured?
a)
neon
b)
fluorine
c)
magnesium
d)
argon
20.
Which orbital shows a violation of Hund's Rule?
a)
A
b)
B
c)
C
d)
D
21.
Which orbital shows a violation of the Aufbau Principle?
a)
A
b)
B
c)
C
d)
D
22.
In an electron configuration, what follows 4s?
a)
4p
b)
3d
c)
4s
d)
2f
23.
Energy levels are denoted by:
a)
letters
b)
coefficients
c)
a combination of letters and numbers
d)
subscripts
24.
How many valence electrons does phosphorus have and in which sublevel(s) are they found?
a)
3; p
b)
5; s and p
c)
2; s
d)
3; s and p
25.
How many electrons at most are in the 4f sublevel?
a)
10
b)
8
c)
18
d)
14
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