Resonance Structures for a Certain Molecule

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Discussion Overview

The discussion revolves around deciphering feedback from a teaching assistant regarding resonance structures for a specific molecule as presented in an exam question. Participants are attempting to interpret unclear comments made by the TA and seek assistance in understanding the grading rationale.

Discussion Character

  • Homework-related, Conceptual clarification

Main Points Raised

  • One participant shares an image of the exam question and expresses confusion over the TA's feedback, specifically regarding unclear markings.
  • Another participant offers to help but requests more information to assist effectively.
  • A different participant speculates that the TA's comment might refer to "bad all have fc (formal charge)," indicating a possible issue with formal charges in the resonance structures.
  • Another interpretation suggests the TA wrote "but all have 8t," with uncertainty about what "t" signifies, noting that different structures were marked with "6t" and "8t."

Areas of Agreement / Disagreement

Participants do not reach a consensus on the interpretation of the TA's comments, and multiple speculative readings of the feedback are presented without resolution.

Contextual Notes

The discussion is limited by the lack of clarity in the TA's handwriting and the absence of additional context regarding the specific resonance structures in question.

Who May Find This Useful

Students studying resonance structures in chemistry, particularly those preparing for exams or seeking clarification on grading feedback.

alingy1
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Here attached is a question from my exam. My TA removed 1 point out of 7 for a reason. Can anyone decipher for what? There's the writing in red but it is illegible to me. I don't understand to what he refers by 8 and 6 t or +, or whatever he wrote.

http://imgur.com/igpyp8V

Or can anyone write a full answer?
 
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I'm sorry you are not finding help at the moment. Is there any additional information you can share with us?
 
My guess on what he wrote is "bad all have fc (formal charge)". I hate it when the markers writing is illegible.
 
My reading is "but all have 8t". I don't know what t is but he has written 6t on some structures and 8t on others. :confused:
 

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