AP Chem U2: VSEPR Theory Chart

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Last updated 6:14 PM on 9/17/26
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14 Terms

1
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What is the VSEPR for AB2 (ex: CO2)?

**order: Electron Groups (around central atom), Lone Pairs, # of Bonds, Electron Geometry, Molecular Shape, Structure (draw out!), Bond Angles, Hybridization

2, 0, 2, linear, linear, 180*, sp

<p>2, 0, 2, linear, linear, 180*, sp</p>
2
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What is the VSEPR for AB3 (ex: BF3)?

**order: Electron Groups (around central atom), Lone Pairs, # of Bonds, Electron Geometry, Molecular Shape, Structure (draw out!), Bond Angles, Hybridization

3, 0, 3, trigonal planar, trigonal planar, 120*, sp^2

<p>3, 0, 3, trigonal planar, trigonal planar, 120*, sp^2</p>
3
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What is the VSEPR for AB2 (ex: SO2)?

**order: Electron Groups (around central atom), Lone Pairs, # of Bonds, Electron Geometry, Molecular Shape, Structure (draw out!), Bond Angles, Hybridization

3, 1, 2, trigonal planar, v-shaped (bent), less than 120*, sp^2

<p>3, 1, 2, trigonal planar, v-shaped (bent), less than 120*, sp^2</p>
4
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What is the VSEPR for AB4 (ex: CH4)?

**order: Electron Groups (around central atom), Lone Pairs, # of Bonds, Electron Geometry, Molecular Shape, Structure (draw out!), Bond Angles, Hybridization

4, 0, 4, tetrahedral, tetrahedral, 109.5*, sp^3

<p>4, 0, 4, tetrahedral, tetrahedral, 109.5*, sp^3</p>
5
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What is the VSEPR for AB3 (ex: NH3)?

**order: Electron Groups (around central atom), Lone Pairs, # of Bonds, Electron Geometry, Molecular Shape, Structure (draw out!), Bond Angles, Hybridization

4, 1, 3, tetrahedral, trigonal pyramidal, less than 109.5*, sp^3

<p>4, 1, 3, tetrahedral, trigonal pyramidal, less than 109.5*, sp^3</p>
6
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What is the VSEPR for AB2 (ex: H2O)?

**order: Electron Groups (around central atom), Lone Pairs, # of Bonds, Electron Geometry, Molecular Shape, Structure (draw out!), Bond Angles, Hybridization

4, 2, 2, tetrahedral, v-shaped (bent), less than 109.5*, sp^3

<p>4, 2, 2, tetrahedral, v-shaped (bent), less than 109.5*, sp^3</p>
7
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What is the VSEPR for AB (ex: HCl)?

**order: Electron Groups (around central atom), Lone Pairs, # of Bonds, Electron Geometry, Molecular Shape, Structure (draw out!), Bond Angles, Hybridization

4, 3, 1, tetrahedral, linear, N/A, sp^3

<p>4, 3, 1, tetrahedral, linear, N/A, sp^3</p>
8
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What is the VSEPR for AB5 (ex: PCl5)?

**order: Electron Groups (around central atom), Lone Pairs, # of Bonds, Electron Geometry, Molecular Shape, Structure (draw out!), Bond Angles, Hybridization

5, 0, 5, trigonal bipyramidal, trigonal bipyramidal, 120* & 90*, N/A

<p>5, 0, 5, trigonal bipyramidal, trigonal bipyramidal, 120* &amp; 90*, N/A</p>
9
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What is the VSEPR for AB4 (ex: SF4)?

**order: Electron Groups (around central atom), Lone Pairs, # of Bonds, Electron Geometry, Molecular Shape, Structure (draw out!), Bond Angles, Hybridization

5, 1, 4, trigonal bipyramidal, see-saw, 120* & less than 90*, N/A

<p>5, 1, 4, trigonal bipyramidal, see-saw, 120* &amp; less than 90*, N/A</p>
10
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What is the VSEPR for AB3 (ex: ClF3)?

**order: Electron Groups (around central atom), Lone Pairs, # of Bonds, Electron Geometry, Molecular Shape, Structure (draw out!), Bond Angles, Hybridization

5, 2, 3, trigonal bipyramidal, t-shaped, less than 90*, N/A

<p>5, 2, 3, trigonal bipyramidal, t-shaped, less than 90*, N/A</p>
11
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What is the VSEPR for AB2 (ex: XeF2)?

**order: Electron Groups (around central atom), Lone Pairs, # of Bonds, Electron Geometry, Molecular Shape, Structure (draw out!), Bond Angles, Hybridization

5, 3, 2, trigonal bipyramidal, linear, 180*, N/A

<p>5, 3, 2, trigonal bipyramidal, linear, 180*, N/A</p>
12
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What is the VSEPR for AB6 (ex: SF6)?

**order: Electron Groups (around central atom), Lone Pairs, # of Bonds, Electron Geometry, Molecular Shape, Structure (draw out!), Bond Angles, Hybridization

6, 0, 6, octahedral, octahedral, 90*, N/A

<p>6, 0, 6, octahedral, octahedral, 90*, N/A</p>
13
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What is the VSEPR for AB5 (ex: BrF5)?

**order: Electron Groups (around central atom), Lone Pairs, # of Bonds, Electron Geometry, Molecular Shape, Structure (draw out!), Bond Angles, Hybridization

6, 1, 5, octahedral, square pyramidal, less than 90*, N/A

<p>6, 1, 5, octahedral, square pyramidal, less than 90*, N/A</p>
14
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What is the VSEPR for AB4 (ex: XeF4)?

**order: Electron Groups (around central atom), Lone Pairs, # of Bonds, Electron Geometry, Molecular Shape, Structure (draw out!), Bond Angles, Hybridization

6, 2, 4, octahedral, square planar, 90*, N/A

<p>6, 2, 4, octahedral, square planar, 90*, N/A</p>