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32. All of the following ions have the same electron configuration as a noble gas except

32. All of the following ions have the same electron configuration as a noble gas except

Introduction to General, Organic and Biochemistry
Introduction to General, Organic and Biochemistry
11th Edition
ISBN:9781285869759
Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Chapter2: Atoms
Section: Chapter Questions
Problem 2.95P
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### Electron Configuration and Noble Gases **Question:** 32. All of the following ions have the same electron configuration as a noble gas except: (a) \( \text{Al}^{+3} \) (b) \( \text{Na}^{+1} \) (c) \( \text{K} \) (d) \( \text{Cl}^{-1} \) (e) \( \text{Ca}^{+2} \) **Explanation:** In this multiple-choice question, you are asked to identify which of the given ions does not have the same electron configuration as a noble gas. The noble gas electron configurations are stable and typically have a full outer shell. For example, helium has the electron configuration \( 1s^2 \), and neon has \( 1s^2 2s^2 2p^6 \). - \( \text{Al}^{+3} \): Aluminum loses three electrons to achieve the electron configuration of neon (\( 1s^2 2s^2 2p^6 \)). - \( \text{Na}^{+1} \): Sodium loses one electron to achieve the electron configuration of neon (\( 1s^2 2s^2 2p^6 \)). - \( \text{K} \): Potassium does not lose or gain any electrons in this form and does not have the electron configuration of a noble gas. - \( \text{Cl}^{-1} \): Chlorine gains one electron to achieve the electron configuration of argon (\( 1s^2 2s^2 2p^6 3s^2 3p^6 \)). - \( \text{Ca}^{+2} \): Calcium loses two electrons to achieve the electron configuration of argon (\( 1s^2 2s^2 2p^6 3s^2 3p^6 \)). **Correct Answer:** (c) \( \text{K} \) Potassium (\( \text{K} \)) does not have the same electron configuration as a noble gas in its neutral state.
Transcribed Image Text:### Electron Configuration and Noble Gases **Question:** 32. All of the following ions have the same electron configuration as a noble gas except: (a) \( \text{Al}^{+3} \) (b) \( \text{Na}^{+1} \) (c) \( \text{K} \) (d) \( \text{Cl}^{-1} \) (e) \( \text{Ca}^{+2} \) **Explanation:** In this multiple-choice question, you are asked to identify which of the given ions does not have the same electron configuration as a noble gas. The noble gas electron configurations are stable and typically have a full outer shell. For example, helium has the electron configuration \( 1s^2 \), and neon has \( 1s^2 2s^2 2p^6 \). - \( \text{Al}^{+3} \): Aluminum loses three electrons to achieve the electron configuration of neon (\( 1s^2 2s^2 2p^6 \)). - \( \text{Na}^{+1} \): Sodium loses one electron to achieve the electron configuration of neon (\( 1s^2 2s^2 2p^6 \)). - \( \text{K} \): Potassium does not lose or gain any electrons in this form and does not have the electron configuration of a noble gas. - \( \text{Cl}^{-1} \): Chlorine gains one electron to achieve the electron configuration of argon (\( 1s^2 2s^2 2p^6 3s^2 3p^6 \)). - \( \text{Ca}^{+2} \): Calcium loses two electrons to achieve the electron configuration of argon (\( 1s^2 2s^2 2p^6 3s^2 3p^6 \)). **Correct Answer:** (c) \( \text{K} \) Potassium (\( \text{K} \)) does not have the same electron configuration as a noble gas in its neutral state.
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