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Part A In the molecule FI, which atom is the negative pole? • View Available Hint(s) O F O I Part B Of the molecules HF and HCl, which has bonds that are more polar? • View Available Hint(s) О НF O HCI

Part A In the molecule FI, which atom is the negative pole? • View Available Hint(s) O F O I Part B Of the molecules HF and HCl, which has bonds that are more polar? • View Available Hint(s) О НF O HCI

Chemistry
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 answer question 3 part A, B, and C

**Part C** All four of the silicon-chlorine single bonds in SiCl₄ are polar. In which direction should the polarity arrows point? - ○ to the right - ○ to the left - ○ toward the central silicon atom - ○ away from the central silicon atom This question provides multiple-choice options to indicate the direction of polarity in the SiCl₄ molecule's bonds.
Transcribed Image Text:**Part C** All four of the silicon-chlorine single bonds in SiCl₄ are polar. In which direction should the polarity arrows point? - ○ to the right - ○ to the left - ○ toward the central silicon atom - ○ away from the central silicon atom This question provides multiple-choice options to indicate the direction of polarity in the SiCl₄ molecule's bonds.
**Understanding Polar Bonds and Electronegativity** In a covalent bond between two atoms, the more electronegative atom will attract more electron density toward itself, leading to the formation of a polar bond. The more electronegative element acts as the negative pole, while the less electronegative element serves as the positive pole. The dipole direction is always toward the more electronegative element, commonly represented by an arrow. **Figure Explanation** - The figure illustrates two hydrogen atoms (H) with arrows pointing towards an oxygen atom (O) at the center. The arrows indicate the direction of electron density shift towards the oxygen, illustrating the concept of a dipole in a water molecule. **Key Concept** The polarity of a bond is determined by the difference in electronegativity between the atoms. For instance, in a Cl<sub>2</sub> molecule, the Cl–Cl bond is nonpolar since the electronegativity of the atoms is identical. Conversely, in a ClBr molecule, the Cl–Br bond is polar due to differing electronegativity values. If we consider a Cl–I bond, it would be more polar than a Cl–Br bond, due to a larger electronegativity difference. **Interactive Questions** **Part A** *In the molecule FI, which atom is the negative pole?* - Options: - F - I **Part B** *Of the molecules HF and HCl, which has bonds that are more polar?* - Options: - HF - HCl These examples help illustrate how understanding electronegativity can help predict the behavior of molecules and the type of bonds they form.
Transcribed Image Text:**Understanding Polar Bonds and Electronegativity** In a covalent bond between two atoms, the more electronegative atom will attract more electron density toward itself, leading to the formation of a polar bond. The more electronegative element acts as the negative pole, while the less electronegative element serves as the positive pole. The dipole direction is always toward the more electronegative element, commonly represented by an arrow. **Figure Explanation** - The figure illustrates two hydrogen atoms (H) with arrows pointing towards an oxygen atom (O) at the center. The arrows indicate the direction of electron density shift towards the oxygen, illustrating the concept of a dipole in a water molecule. **Key Concept** The polarity of a bond is determined by the difference in electronegativity between the atoms. For instance, in a Cl<sub>2</sub> molecule, the Cl–Cl bond is nonpolar since the electronegativity of the atoms is identical. Conversely, in a ClBr molecule, the Cl–Br bond is polar due to differing electronegativity values. If we consider a Cl–I bond, it would be more polar than a Cl–Br bond, due to a larger electronegativity difference. **Interactive Questions** **Part A** *In the molecule FI, which atom is the negative pole?* - Options: - F - I **Part B** *Of the molecules HF and HCl, which has bonds that are more polar?* - Options: - HF - HCl These examples help illustrate how understanding electronegativity can help predict the behavior of molecules and the type of bonds they form.
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