QQuestionChemistry
QuestionChemistry
"For the molecule ethylene (C^2 H4), draw the Lewis dot structure.
What are the number of sigma (σ) and pi (π) bonds, respectively?"
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Answer
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Step 1I'll solve this step by step with precise LaTeX notation:
Step 2: Determine the total number of valence electrons
• Total valence electrons: $$8 + 4 = 12$$ electrons
• Carbon (C): 4 valence electrons × 2 carbons = 8 electrons • Hydrogen (H): 1 valence electron × 4 hydrogens = 4 electrons
Final Answer
• Lewis dot structure shows single carbon-carbon bond with four hydrogen atoms • 5 sigma (σ) bonds • 1 pi (π) bond
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