Chemistry 11HL Structure 1-3

2 electron domains

linear 180°

3 electron domains 0 lone pairs

triangular planar 120°

3 electron domains 1 lone pair

V-shaped around 120°

4 electron domains 0 lone pairs

tetrahedral 109.5°

4 electron domains 1 lone pair

pyramidal 107°

4 electron domains 2 lone pairs

V-shaped 104.5°

5 electron domains 0 lone pairs

triangular bipyramidal 120° and 90°

5 electron domains 1 lone pair

unsymmetrical tetrahedron/see-saw 120° and 90°

5 electron domains 2 lone pairs

T-shaped 90°

5 electron domains 3 lone pairs

linear 180°

6 electron domains 0 lone pairs

octahedral 90°

6 electron domains 1 lone pair

square pyramidal 90°

6 electron domains 2 lone pairs

square planar 90°

alkane

-ane, CnH2n+2

alkene

-ene, CnH2n