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WorksheetsElectron Configuration
Total questions: 35
Worksheet time: 20mins
Name
Class
Date
1.
What is the Pauli Exclusion Principle?
a)
An atomic orbital can only hold a maximum of 2 electrons, each with opposite spins
b)
An atomic orbital can hold a minimum of 6 electrons, each with opposite spins
c)
An atomic orbital can hold a maximum of 6 electrons, each with the same spin
d)
An atomic orbital can hold a minimum of 2 electrons, each with opposite spins
2.
What is this element?
1s22s22p63s2
1s22s22p63s2
a)
Neon
b)
Magnesium
c)
Aluminum
d)
Potassium
3.
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
4.
What shape are D Orbitals?
a)
Hybrid structure
b)
Spherical shaped
c)
Dumbell shaped
d)
Cloverleaf shaped
5.
What is this element?
1s22s22p63s23p64s23d10
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
6.
What is the noble gas shorthand for Sulfur?
a)
[Ar] 3p4
b)
[He] 3s2 3p4
c)
[Ne] 3s2 3p4
d)
[Na] 3s2 3p4
7.
What is this element?
1s22s22p63s23p6
4s23d104p6
1s22s22p63s23p6
4s23d104p6
a)
Argon
b)
Krypton
c)
Selenium
d)
Bromide
8.
What shape are P Orbitals?
a)
Cloverleaf shaped
b)
Spherical shaped
c)
Hybrid structure
d)
Dumbell shaped
9.
What is this element?
[Ne] 3s23p64s2
[Ne] 3s23p64s2
a)
Calcium
b)
Sodium
c)
Scandium
d)
Titanium
10.
Hund’s rule states…
a)
Atomic orbitals have opposite spins and 2 electrons each
b)
Electrons occupy orbitals of highest energy first and energy level changes as you go up
c)
Electrons occupy orbitals of lowest energy first, starting with 1s
d)
Fill orbitals of the same energy with one electron, then go back and pair them up if you have extra electrons
11.
Neon (Ne)
a)
1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p5
b)
1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d1
c)
1s2, 2s2, 2p6
d)
1s2, 2s2, 2p4
12.
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
13.
What is the electron configuration of Ag?
a)
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d9
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
14.
Scandium (Sc)
a)
1s2, 2s2, 2p4
b)
1s2, 2s2, 2p6
c)
1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p5
d)
1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d1
15.
What is this element?
[Xe] 6s25d9
[Xe] 6s25d9
a)
Mercury
b)
Gold
c)
Platinum
d)
Thallium
16.
What shape are S orbitals?
a)
Dumbell shaped
b)
Cloverleaf shaped
c)
Spherical shaped
d)
Hybrid structure
17.
Oxygen (O)
a)
1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p5
b)
1s2, 2s2, 2p4
c)
1s2, 2s2, 2p6
d)
1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d1
18.
What shape are M Orbitals?
a)
Spherical shaped
b)
Dumbell shaped
c)
Hybrid structure
d)
Nonexistent
19.
NOBLE GAS SHORTHAND:
Neodymium (Nd)
Neodymium (Nd)
a)
[Xe] 6s2, 4f4
b)
[Ne] 1s2, 2s2, 2p6, 3s2, 3p6, 4s1
c)
[He] 2s2, 3d10, 6s2, 4f4
d)
[Xe]
20.
An area of high probability of finding an electron 90% of the time is called a(n)
a)
nucleus
b)
orbit
c)
orbital
d)
phase notation
21.
Which of the following is the smallest in size?
a)
N3-
b)
O2-
c)
F-
d)
Na+
22.
The exponent or superscript in an electron configuration tells us
a)
the number of positions of that orbital.
b)
the distance from the nucleus or level.
c)
the number of electrons in that orbital.
d)
the number of electrons in the atom.
23.
How many electrons can the first energy level hold?
a)
1
b)
2
c)
8
d)
0
24.
How many electrons does potassium K contain? (click to see image)
a)
19
b)
39
c)
20
d)
40
25.
As an electron moves from n=1 to n=4, is energy absorbed or released?
a)
Absorbed
b)
Released
26.
As an electron moves from n=4 to n=1, is energy absorbed or released?
a)
absorbed
b)
released
27.
What do you start electron configuration with?
a)
1s2
b)
1d10
c)
1f14
d)
1p6
28.
How many valance electrons are in 1s22s22p63s2
a)
4 ve
b)
2 ve
c)
8 ve
d)
6 ve
29.
S-Orbitals have a spherical orbit shape.
a)
True
b)
False
30.
Shorthand is also called___.
a)
Kernel Structure
b)
Shorty
c)
Simple
d)
Nothing
31.
The Quantum Mechanical Model is the most recent atomic model.
a)
True
b)
False
32.
Electron configuration is based on ___.
a)
Quantum Mechanical Model
b)
Science
c)
Thomson's Model
d)
Borh's Model
33.
Electrons are ___ charged.
a)
Positively
b)
Negatively
c)
Not
34.
there is 4 different orbitals
a)
true
b)
false
35.
electrons can gain a quantum of energy and when they do they become excited which is a lower energy level
a)
true
b)
false
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