8-3: Electron Configuration
Chapter 8
University of Arkansas at Little Rock
Dr. Robert Belford & Rebekah Reinhart




Question 1
Only two electrons can occupy the same orbital at any one time. What principle does this statement describe?
(A)  Aufbau Principle
(B)  Hunds Rule
(C)  Pauli Exclusion Principle
(D)  NOTA
 

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Question 2
Which quantum number is a result of two electrons of opposite spins occupying the same orbital?
(A)  ms
(B)  ml
(C)  l
(D)  NOTA
 
Hint

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Question 3
Electrons fill the lowest energy orbitals first. What principle does this statement describe?
(A)  Aufbau Principle
(B)  Hunds Rule
(C)  Pauli Exclusion Principle
(D)  NOTA
 

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Question 4
Given an element with a principle quantum number of 4, which atomic orbital orbital will be filled first in the valence shell?
(A)  3d orbital
(B)  4p orbital
(C)  4s orbital
(D)  NOTA
 
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Question 5
In degenerate orbitals, each orbital is filled with one electron before any orbital obtains a second electron. What principle does this statement describe?
(A)  Aufbau Principle
(B)  Hunds Rule
(C)  Pauli Exclusion Principle
(D)  NOTA
 

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Question 6
What is the appropriate valence orbital diagram for phosphorus in its neutral (no charge) state?
(A) 
(B) 
(C) 
(D)  NOTA
 
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