QQuestionChemistry
QuestionChemistry
What is the electronic configuration of the sodium ion (Na+)?
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Answer
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Step 1:I'll solve this problem step by step, following the specified LaTeX and formatting guidelines:
Step 2:: Determine the atomic number of sodium
- Sodium (Na) has an atomic number of 11, which means it has 11 protons and 11 electrons in its neutral state
Step 3:: Understand the ion formation
- When sodium forms a positive ion (Na+), it loses one electron - This means Na+ will have 10 electrons instead of 11
Step 4:: Write the electronic configuration
- The electronic configuration follows the Aufbau principle - For Na+, we will distribute 10 electrons in the available energy levels
Step 5:: Electron configuration breakdown
- $$3s^{0}$$: Third energy level, s subshell (0 electrons, since the outermost electron is lost)
- 2s^{2}: Second energy level (2 electrons)
Final Answer
The electronic configuration of Na+ is 1s^{2} 2s^{2} 2p^{6}.
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