What is the maximum number of electrons that can occupy the n=3 shell? (2022) 20

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Question: What is the maximum number of electrons that can occupy the n=3 shell? (2022) 2022

Options:

Correct Answer: 18

Exam Year: 2022

Solution:

The maximum number of electrons in a shell is given by the formula 2n². For n=3, it is 2(3)² = 18.

What is the maximum number of electrons that can occupy the n=3 shell? (2022) 2022

What is the maximum number of electrons that can occupy the n=3 shell? (2022) 2022

Step 1: Identify the shell number, which is given as n=3.
Step 2: Use the formula to find the maximum number of electrons in a shell, which is 2n².
Step 3: Substitute the value of n into the formula: 2(3)².
Step 4: Calculate (3)², which equals 9.
Step 5: Multiply 2 by 9 to get 18.
Step 6: Conclude that the maximum number of electrons that can occupy the n=3 shell is 18.

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