QQuestionChemistry
QuestionChemistry
The molecule H^2S has a total of valence electrons, the shape is ___________, the molecule contains double bonds, and it is ___________ (polar or nonpolar).
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Step 1:I'll solve this step by step, carefully following the LaTeX formatting guidelines:
Step 2:: Determine the number of valence electrons
- Total valence electrons: $$2 + 6 = 8$$ valence electrons
- Sulfur (S): 6 valence electrons
Step 3:: Draw the Lewis structure
- Sulfur will be the central atom - Place 2 electrons between S and each H - Remaining electrons will be placed around sulfur to complete its octet
Step 4:: Determine molecular geometry
- Central atom (S) has two bonding pairs and two lone pairs - This corresponds to the AX₂E₂ molecular geometry - Molecular shape is bent (V-shaped)
Step 5:: Polarity analysis
- The molecule is polar because:
Step 6:
The bonds are not symmetrically arranged
Step 7:
There is a significant electronegativity difference between S and H
Step 8:
The lone pairs create an uneven charge distribution
Final Answer
- Total valence electrons: 8 - Molecular shape: Bent - Double bonds: 0 - Polarity: Polar
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