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4.3 Electron Configurations Flashcards | StudBud
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4.3 Electron Configurations
4.3 Electron Configurations
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Questions
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Answers
1
The scientist who created the original model of an atom
Werner Heisenberg
Niels Bohr
Albert Einstein
Wolfgang Pauli
2
How many total electrons are in an element with the electron configuration 1s
2
2s
2
2p
6
3s
2
3p
4
.
Cannot be determined.
14
16
12
3
What element's noble-gas notation is [Xe] 6s
2
4f
14
5d
8
gold
iridium
platinum
polonium
4
An electron will occupy the lowest energy orbital that can accept it is
The Pauli Exclusion Principle
The Aufbau Principle
The Heisenberg Uncertainty Principle
Hund's Rule
5
What element's noble gas notation is [Kr] 5s
2
4d
10
5p
5
Iron
Iridium
Indium
Iodine
6
Valence electrons are those that
are located in the outermost energy level of an atom
are furthest from the nucleus
responsible for being gained, lost, or shared
all of these statements are correct
7
The quantum number that indicates the spin state of an electron is the:
spin quantum number
clockwise quantum number
arrow quantum number
principle quantum number
8
An s orbital can hold a maximum of
10 electrons
14 electrons
6 electrons
2 electrons
9
What element's quantum numbers are 4,0,0,+½
sodium
calcium
potassium
magnesium
10
What element has this set of quantum numbers? 4,2,-1, -½
titanium
zirconium
rhodium
cobalt
11
Which rule is violated?
Heisenberg Uncertainty Principle
Pauli-Exclusion Principle
Hund's Rule
Aufbau Principle
12
A d orbital can hold a maximum of
10 electrons
6 electrons
14 electrons
2 electrons
13
Which rule is violated?
Pauli-Exclusion Principle
Aufbau Principle
Diagonal Rule
Hund's Rule
14
Which element is described by the following orbital notation?
Nitrogen
Phosphorus
Neon
Vanadium
15
Specifies the properties of atomic orbitals and the properties of electrons in orbitals.
Heisenberg Principle
nuclear number
quantum number
orbital number
16
How many valence electrons are in an atom of gold (Au)?
2
3
1
4
17
The magnetic quantum number that has seven orbitals in it is designated with the letter:
P
F
S
D
18
What element's noble gas notation is [Rn] 7s
2
cesium
barium
radon
radium
19
1s
2
2s
2
3s
2
3p
6
is
Valid
Invalid
20
The magnetic quantum number with 5 orbitals in it is designated with the letter:
P
S
F
D
21
What element's electron configuration is 1s
2
2s
2
2p
4
nitrogen
phosphorus
sulfur
oxygen
22
The chemist who discovered that no two electrons have the same four quantum numbers was
Werner Heisenberg
Friedrich Hund
Albert Einstein
Wolfgang Pauli
23
The chemist who said that all orbitals must have one electron before any can have two.
Friedrich Hund
Niels Bohr
Werner Heisenberg
Wolfgang Pauli
24
What element's electron configuration is 1s
2
2s
2
2p
6
3s
2
3p
6
4s
2
3d
5
rhuthenium
iron
manganese
magnesium
25
The scientist that came up with the theory that an electron cannot be specifically located was
Albert Einstein
Walt Whitman
Werner Heisenberg
Wolfgang Pauli
26
A three dimensional region around the nucleus where an electron might be.
orbital
quantum area
path
orbit
27
How many valence electrons are in an atom of barium?
8
2
4
3
28
A p orbital can hold a maximum of
6 electrons
14 electrons
10 electrons
2 electrons
29
The quantum number that stands for the main energy level, or shell, of an electron
angular-momentum
spin
magnetic
principle
30
The quantum number that describes the orientation of an orbital.
angular-momentum
principle
spin
magnetic
31
The quantum number that indicates the shape of the orbital is the
magnetic
spin
principle
angular-momentum
32
What's the atomic number for the element with the following set of quantum numbers? 1, 0, 0, -½
O
He
Li
H
33
The notation that shows electron spins with arrows is known as
Orbital notation
Pauli Exclusion Principle
Spin notation
Electron notation
34
What element's electron configuration is 1s
2
2s
2
2p
6
3s
2
3p
6
4s
1
sodium
magnesium
calcium
potassium
