WorksheetsElectron Configuration, Orbital Diagrams, and Lewis Structures
Total questions: 35
Worksheet time: 1hrs 8mins
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.
How many electrons can the first energy level hold?
a)
1
b)
2
c)
8
d)
0
4.
Which element is pictured?
a)
neon
b)
fluorine
c)
magnesium
d)
argon
5.
What do you start electron configuration with?
a)
1s2
b)
1d10
c)
1f14
d)
1p6
6.
There are 4 different types of subshells s,p,d,f
a)
true
b)
false
7.
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
8.
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
9.
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
10.
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
11.
The electron configuration of an atom is 1s22s22p6. The number of electrons in the atom is
a)
3
b)
6
c)
8
d)
10
12.
How many valence electrons are represented here?
a)
7
b)
5
c)
2
d)
8
13.
Which of the following is a p block element?
a)
Ca
b)
Ar
c)
Re
d)
Au
14.
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
15.
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
16.
How many electron can be found in a p orbital?
a)
2
b)
3
c)
4
d)
6
17.
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
18.
What is the noble gas configuration for phosphorus?
a)
[Ar] 3p5
b)
[He] 3s2 3p5
c)
[Ne] 3s2 3p3
d)
[Na] 3s2 3p5
19.
What is the maximum number of electrons that an orbital can have?
a)
1 electron
b)
2 electrons
c)
3 electrons
d)
4 electrons
20.
What noble gas should be used to write the shorthand configuration for Te?
a)
Ar
b)
Kr
c)
Xe
d)
Sb
21.
How many d orbitals are there in a given sublevel?
a)
1
b)
3
c)
5
d)
7
22.
This orbital diagram represents:
a)
C
b)
B
c)
N
d)
O
23.
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.
24.
The diagram above represents two electrons with
a)
a. opposite spins.
b)
b. the same spin.
c)
c. different energies.
d)
d. different energy levels.
25.
Which example shows a violation of Hund's Rule?
a)
A
b)
B
c)
C
d)
D
26.
Which of the following is written correctly?
a)
A
b)
B
c)
C
d)
D
27.
What is the name of this element?
a)
Helium
b)
Hydrogen
c)
Argon
d)
Silver
28.
What is the atomic number of this atom?
a)
2
b)
4
c)
6
d)
none of the above
29.
How many valence electrons?
a)
2
b)
3
c)
5
d)
10
30.
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
31.
On the periodic table, Periods are
a)
Horizontal rows
b)
Vertical columns
32.
How many energy levels in this element?
a)
2
b)
5
c)
6
d)
3
33.
What is the max number of electrons that can be placed on the 3rd energy level/ring?
a)
2
b)
6
c)
8 or 18
d)
10 or 18
34.
How many electrons can go in the Second energy level?
a)
2
b)
8
c)
18
d)
32
35.
The colored flame created by doing a flame test on an element is created when the atoms jump to the _______ state and fall back to the _______ state.
a)
excited - ground
b)
ground - excited
c)
Louisiana - Mississippi
d)
light - flame
100 %
