Which quantum number determines the energy level of an electron in an atom?

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Question: Which quantum number determines the energy level of an electron in an atom?

Options:

Correct Answer: n

Solution:

The principal quantum number n determines the energy level of an electron in an atom.

Which quantum number determines the energy level of an electron in an atom?

Which quantum number determines the energy level of an electron in an atom?

Step 1: Understand that electrons in an atom are arranged in energy levels.
Step 2: Know that these energy levels are represented by quantum numbers.
Step 3: Identify the principal quantum number, which is denoted by 'n'.
Step 4: Realize that the value of 'n' indicates the energy level of the electron.
Step 5: Conclude that the principal quantum number 'n' is the one that determines the energy level of an electron.

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