What is the principal quantum number of an electron in the third energy level? (

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Question: What is the principal quantum number of an electron in the third energy level? (2023)

Options:

Correct Answer: 3

Exam Year: 2023

Solution:

The principal quantum number (n) indicates the energy level. For the third energy level, n = 3.

What is the principal quantum number of an electron in the third energy level? (2023)

What is the principal quantum number of an electron in the third energy level? (2023)

Step 1: Understand what the principal quantum number (n) is. It tells us the energy level of an electron in an atom.
Step 2: Identify the energy level we are interested in. In this case, it is the third energy level.
Step 3: Assign the principal quantum number (n) to the energy level. For the third energy level, n is equal to 3.

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