Questions: F C=C N C=O H F

F C=C N C=O H F
Transcript text: F C=C N C=O H F
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Solution

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Solution Steps

Step 1: Understanding the Question

The question appears to be incomplete and somewhat unclear. However, it seems to involve choosing an angle and identifying certain chemical structures. We will focus on the first three parts as per the guidelines.

Step 2: Analyzing the Choices

The first part asks us to choose one option, but the options are not provided. The second part lists some chemical structures, and the third part lists angles.

Step 3: Identifying the Angles

The angles provided are \(109.5^\circ\). This angle is characteristic of the tetrahedral geometry, which is common in sp³ hybridized atoms.

Final Answer

Since the question is incomplete and unclear, we can only provide the answer for the angles given:

\[ \boxed{109.5^\circ} \]

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