Problem: C2H6 EthaneLewis Structure                                                              3-D Structure       C atom: Bonding / Non-bonding e- pairs _____              Hybridization _____Electron Geometry _____                                               Atomic Geometry _____Bond Angles _____                                                         Molecular Shape _____Polar or Nonpolar _____

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We need to determine the following for ethane, C2H6:

1. Lewis Structure

2. C atom: Bonding/ Non-bonding electron pairs 

3. Bond Angles

4. Polar or Non polar

5. Hybridization                

6. Atomic Geometry

7. Molecular Shape 


We need to draw the Lewis Structure first, to determine the bonding/non bonding pairs and groups surrounding the central element in ethane. This will also be useful in finding its bond angles, hybridization, atomic geometry and molecular shape. 


1. Let's start with the Lewis structure for ethane, C2H6. We first need to determine the total number of valence electrons present in the molecule:


            Group                        Valence Electrons

C         4A                   2 × 4 e = 8 e

H         1A                   6 × 1 e = 6 e

              Total:  14 valence e

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Problem Details

C2HEthane

Lewis Structure                                                              3-D Structure       

C atom: Bonding / Non-bonding e- pairs _____              Hybridization _____

Electron Geometry _____                                               Atomic Geometry _____

Bond Angles _____                                                         Molecular Shape _____

Polar or Nonpolar _____

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What scientific concept do you need to know in order to solve this problem?

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