Which of the following Lewis structures for molecules has the correct polarity indicated for its bonds? Select all that are correct. A) Î ΙΑ B O C U Br: B) H=CH H D) H—N—H ÏÎ H

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Chapter1: Chemical Foundations
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**Question:**

Which of the following Lewis structures for molecules has the correct polarity indicated for its bonds? Select all that are correct.

**Options:**

- **A)**
  - Structure: Boron trifluoride (BF₃)
  - Diagram: A central boron atom (B) is bonded to three fluorine atoms (F) with single bonds. The fluorine atoms show lone pairs of electrons. 

- **B)**
  - Structure: Methane (CH₄)
  - Diagram: A central carbon atom (C) is bonded to four hydrogen atoms (H) with single bonds. Arrows indicate no polarity in any direction.

- **C)**
  - Structure: Water with bromine substituents (BrOBr - incorrect formula shown)
  - Diagram: A central oxygen atom (O) is bonded to two bromine atoms (Br) with single bonds. The diagram includes lone pairs on oxygen and polarity arrows pointing away from oxygen towards bromine.

- **D)**
  - Structure: Ammonia (NH₃)
  - Diagram: A central nitrogen atom (N) is bonded to three hydrogen atoms (H) with single bonds. Arrows indicate polarity pointing towards nitrogen.

**Answer Choices:**

- ☐ A
- ☐ B
- ☐ D
- ☐ C

(Select the options that correctly depict the molecular polarity based on their Lewis structures.)
Transcribed Image Text:**Question:** Which of the following Lewis structures for molecules has the correct polarity indicated for its bonds? Select all that are correct. **Options:** - **A)** - Structure: Boron trifluoride (BF₃) - Diagram: A central boron atom (B) is bonded to three fluorine atoms (F) with single bonds. The fluorine atoms show lone pairs of electrons. - **B)** - Structure: Methane (CH₄) - Diagram: A central carbon atom (C) is bonded to four hydrogen atoms (H) with single bonds. Arrows indicate no polarity in any direction. - **C)** - Structure: Water with bromine substituents (BrOBr - incorrect formula shown) - Diagram: A central oxygen atom (O) is bonded to two bromine atoms (Br) with single bonds. The diagram includes lone pairs on oxygen and polarity arrows pointing away from oxygen towards bromine. - **D)** - Structure: Ammonia (NH₃) - Diagram: A central nitrogen atom (N) is bonded to three hydrogen atoms (H) with single bonds. Arrows indicate polarity pointing towards nitrogen. **Answer Choices:** - ☐ A - ☐ B - ☐ D - ☐ C (Select the options that correctly depict the molecular polarity based on their Lewis structures.)
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