Considering periodic trends, valence electrons in which of the following atoms experience the greatest effective nuclear charge (Zeff)?

Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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**Question: Periodic Trends and Effective Nuclear Charge**

**Considering periodic trends, valence electrons in which of the following atoms experience the greatest effective nuclear charge (Zeff)?**

- A) Cl
- B) C
- C) F
- D) Ne
- E) B

**Explanation:**

This question is about understanding the concept of effective nuclear charge (Zeff), which is the net positive charge experienced by valence electrons. It is influenced by the number of protons in the nucleus and the shielding effect of inner electrons. Typically, Zeff increases across a period on the periodic table.

Based on periodic trends:
- Fluorine (F) tends to have a higher Zeff than chlorine (Cl), carbon (C), boron (B), and neon (Ne).
- Neon (Ne), being a noble gas, has a high effective nuclear charge, but since it is filled, we're usually concerned with its reactivity and bonding, which is not applicable here.
Transcribed Image Text:**Question: Periodic Trends and Effective Nuclear Charge** **Considering periodic trends, valence electrons in which of the following atoms experience the greatest effective nuclear charge (Zeff)?** - A) Cl - B) C - C) F - D) Ne - E) B **Explanation:** This question is about understanding the concept of effective nuclear charge (Zeff), which is the net positive charge experienced by valence electrons. It is influenced by the number of protons in the nucleus and the shielding effect of inner electrons. Typically, Zeff increases across a period on the periodic table. Based on periodic trends: - Fluorine (F) tends to have a higher Zeff than chlorine (Cl), carbon (C), boron (B), and neon (Ne). - Neon (Ne), being a noble gas, has a high effective nuclear charge, but since it is filled, we're usually concerned with its reactivity and bonding, which is not applicable here.
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