QQuestionChemistry
QuestionChemistry
"What is the electron geometry and molecular shape of carbon tetrabromide (CBr4) without making a model? Do you expect the bonds in this molecule to be polar?"
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Answer
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Step 1Let's solve this step by step:
Step 2: Determine the central atom and valence electrons
- Total valence electrons: $$4 + (4 \times 7) = 32$$ electrons
- The central atom is carbon (C) - Carbon has 4 valence electrons - Each bromine (Br) contributes 7 valence electrons
Final Answer
- Electron geometry: Tetrahedral - Molecular shape: Tetrahedral - Molecular polarity: Nonpolar (despite polar C-Br bonds)
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