Question Detail

CHM 102 Electronic Theory in Organic Chemistry Objective Question
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Question

What is the Aufbau principle?
Options
A No two electrons can have the same set of quantum numbers
B Electrons fill orbitals in order of increasing energy
Correct Answer
C Every orbital in a subshell is singly occupied before double occupation
D Electrons pair up as soon as possible
Correct Answer

Option B is the correct answer.

Detailed Explanation

The Aufbau principle states that electrons occupy the lowest energy orbitals first, building up the electronic configuration in order of increasing energy (1s, 2s, 2p, 3s, etc.).

Hint

'Building up' from lowest energy.

Question Info

Course: CHM 102
Topic: Electronic Theory in Organic Chemistry
Type: Objective
Difficulty: Not specified
Question 674 of 1999
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