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

Your response

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Question 2

Which quantum number is a result of two electrons of opposite spins occupying the same orbital?

(A) m_s

(B) m_l

(C) l

(D) NOTA

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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

Your response

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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

Your response

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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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