AP Chemistry - Unit 2 VSEPR Geometries and Likely Bonds

Likely bonds: Oxygen

2, 1

Likely bonds: Nitrogen

3, 4

Likely bonds: Arsenic

3, 5

Likely bonds: Phosphorous

3, 5

Likely bonds: Sulfur

2, 6, 4

Likely bonds: Silicon

4 (usually)

Likely bonds: Carbon

4 (usually)

Likely bonds: Boron

3 (usually)

Likely bonds: Halogens (except Fluorine)

1

Likely bonds: Noble Gases (except when bonding with Fluorine)

0

VSEPR Geometry: steric no. 2, 0 lone pairs

Linear, 180 angles

VSEPR Geometry: steric no. 3, 0 lone pairs

Trigonal Planar, 120 angles

VSEPR Geometry: steric no. 3, 1 lone pair

Bent or Angular

VSEPR Geometry: steric no. 4, 0 lone pairs

Tetrahedral, 109 angles

VSEPR Geometry: steric no. 4, 1 lone pair

Trigonal Pyramid

VSEPR Geometry: steric no. 4, 2 lone pairs

Bent or Angular

VSEPR Geometry: steric no. 5, 0 lone pairs

Trigonal Bipyramid, 90 and 120 angles

VSEPR Geometry: steric no. 5, 1 lone pair

Sawhorse or Seesaw

VSEPR Geometry: steric no. 5, 2 lone pairs

T-shape

VSEPR Geometry: steric no. 5, 3 lone pairs

Linear

VSEPR Geometry: steric no. 6, 0 lone pairs

Octahedral, 90 angles

VSEPR Geometry: steric no. 6, 1 lone pair

Square Pyramid

VSEPR Geometry: steric no. 6, 2 lone pairs

Square Planar

VSEPR Geometry: steric no. 6, 3 lone pairs

T-Shape

VSEPR Geometry: steric no. 6, 4 lone pairs

Linear

Which elements can form double bonds?

C, Si, N, O, P, S, As, Te, Se

Which elements can form triple bonds?

C, N