Chemistry Practice Problems Bond Angles Practice Problems Solution: Consider the following Lewis structure where E is ...

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Solution: Consider the following Lewis structure where E is an unknown element:What are some possible identities for element E? Predict the molecular structure (including bond angles) for this ion.

Problem

Consider the following Lewis structure where E is an unknown element:

What are some possible identities for element E? Predict the molecular structure (including bond angles) for this ion.

Solution

F atoms:

• F: Group 7A → 7 valence e-
• 7 valence e- - 7 earound it = 0 (no charge)
• complete octet

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