suggests that the unknown element is B) Si A) K C) As D) Ca E) S 5) Which of the following elements has the greatest electron affinity? A) Mg B) Al C) Si D) P E) S Select the series of atoms that are arranged in order of increasing electronegativity.
suggests that the unknown element is B) Si A) K C) As D) Ca E) S 5) Which of the following elements has the greatest electron affinity? A) Mg B) Al C) Si D) P E) S Select the series of atoms that are arranged in order of increasing electronegativity.
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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please solve only question 5

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### Chemistry Multiple Choice Questions
1. **Which of the following make an isoelectronic pair?**
- A) Ca²⁺ and Fe³⁺
- B) O²⁻ and F⁻
- C) F and Cl⁻
- D) Cl⁻ and Ca²⁺
- E) None of the above
2. **Arrange the following ions in order of increasing ionic radius: K⁺, P³⁻, S²⁻, Cl⁻ (increasing radius →)**
- A) K⁺ < Cl⁻ < S²⁻ < P³⁻
- B) K⁺ < P³⁻ < S²⁻ < Cl⁻
- C) P³⁻ < S²⁻ < Cl⁻ < K⁺
- D) Cl⁻ < S²⁻ < P³⁻ < K⁺
3. **Which of the elements listed below has the highest first ionization energy?**
- A) He
- B) Ne
- C) Ar
- D) Kr
- E) Xe
4. **The successive (4th and 5th) ionization energies of a certain element are I₄ = 589.5 kJ/mol, I₅ = 1145 kJ/mol, I₆ = 4900 kJ/mol, I₇ = 6500 kJ/mol, and I₈ = 8100 kJ/mol. This pattern of ionization energies suggests that the unknown element is**
- A) C
- B) As
- C) D
- D) Ca
- E) S
5. **Which of the following elements has the greatest electron affinity?**
- A) Sb
- B) Al
- C) P
- D) D
- E) S
6. **Select the series of atoms that are arranged in order of increasing electronegativity:**
- A) S < K < F < Si < O
- B) K < S < Si < F < O
- C) F < K <
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