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Which of the following elements has a half-filled p subshell?

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Question: Which of the following elements has a half-filled p subshell?

Options:

  1. Boron
  2. Carbon
  3. Nitrogen
  4. Oxygen

Correct Answer: Nitrogen

Solution: 

Nitrogen has the electronic configuration 1s2 2s2 2p3, which means it has a half-filled p subshell.

Which of the following elements has a half-filled p subshell?

Practice Questions

Q1
Which of the following elements has a half-filled p subshell?
  1. Boron
  2. Carbon
  3. Nitrogen
  4. Oxygen

Questions & Step-by-Step Solutions

Which of the following elements has a half-filled p subshell?
Correct Answer: Nitrogen
  • Step 1: Understand what a p subshell is. A p subshell can hold a maximum of 6 electrons and has three orbitals (px, py, pz).
  • Step 2: Know what 'half-filled' means. A half-filled p subshell means there are 3 electrons in the p subshell (one in each orbital).
  • Step 3: Look at the electronic configuration of elements. The electronic configuration shows how many electrons are in each subshell.
  • Step 4: Find the electronic configuration of nitrogen. It is 1s2 2s2 2p3.
  • Step 5: Analyze the 2p part of nitrogen's configuration. The '2p3' means there are 3 electrons in the p subshell.
  • Step 6: Conclude that since nitrogen has 3 electrons in its p subshell, it is half-filled.
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