What is the value of the principal quantum number (n) for an electron in the gro

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Question: What is the value of the principal quantum number (n) for an electron in the ground state of a hydrogen atom?

Options:

Correct Answer: 1

Solution:

In the ground state, the electron is in the first energy level, which corresponds to n=1.

What is the value of the principal quantum number (n) for an electron in the ground state of a hydrogen atom?

What is the value of the principal quantum number (n) for an electron in the ground state of a hydrogen atom?

Step 1: Understand what the principal quantum number (n) represents. It indicates the energy level of an electron in an atom.
Step 2: Identify what the ground state of an atom means. The ground state is the lowest energy state of an electron.
Step 3: Know that for hydrogen, the lowest energy level (ground state) is the first energy level.
Step 4: Assign the value of the principal quantum number (n) for the first energy level, which is n=1.

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