What is the maximum number of electrons that can occupy the 3d subshell?

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Question: What is the maximum number of electrons that can occupy the 3d subshell?

Options:

Correct Answer: 10

Solution:

The maximum number of electrons in a subshell is given by 2n^2. For d (n=3), it is 2(3^2) = 18, but only 10 can occupy 3d.

What is the maximum number of electrons that can occupy the 3d subshell?

What is the maximum number of electrons that can occupy the 3d subshell?

Step 1: Understand what a subshell is. A subshell is a group of orbitals within an energy level where electrons can be found.
Step 2: Identify the principal quantum number (n) for the 3d subshell. For 3d, n = 3.
Step 3: Use the formula to find the maximum number of electrons in a subshell, which is 2n^2.
Step 4: Substitute n = 3 into the formula: 2(3^2).
Step 5: Calculate 3^2, which is 9.
Step 6: Multiply 9 by 2 to get 18. This means a maximum of 18 electrons can theoretically fit in a subshell with n = 3.
Step 7: However, the 3d subshell specifically can only hold a maximum of 10 electrons due to its orbital structure.

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