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Fill in the table in number 1 on your report sheet.

Start by drawing the Lewis structure for each molecule. See page 152 in your lab manual, or watch the following video, which further explains how to draw Lewis structures.

Next, use your Lewis structure to complete a virtual three-dimensional model of your molecule at the following website: https://phet.colorado.edu/en/simulation/molecule-shapes

After entering the simulation, be sure to pick the ‘model’ option. Be sure to include the proper number of bonds and lone pairs.

Use your structure, along with help from the following videos, to complete the rest of the table.

The following videos further explain the VSEPR theory.

The following video further explains central atom hybridization.

The information in the table below will also be useful in determining central atom hybridization.

Total Electron PairsBonding PairsLone PairsMolecular GeometryAtomic OrbitalsType of Hybridization220linears, psp330trigonal planars, p, psp2321bents, p, psp2440tetrahedrals, p, p, psp3431trigonal pyramidals, p, p, psp3422bents, p, p, psp3550trigonal bipyramidals, p, p, p, ddsp3541seesaws, p, p, p, ddsp3532T shapes, p, p, p, ddsp3523linears, p, p, p, ddsp3660octahedrals, p, p, p, d, dd2sp3651square pyramidals, p, p, p, d, dd2sp3642square planars, p, p, p, d, dd2sp3

The following video further explains how to determine if a molecule has a dipole moment.

The information above will help in completing numbers 1-5 on your report sheet.

Please replace the chart on page 163 in your lab manual with the chart provided below.

Molecular Geometry Table Page 163 

To complete number 6, watch the following video, which further explains how to determine formal charge.1 attachmentsSlide 1 of 1

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