3.1.3 Shapes Of Molecules

Question 1

Linear

Answer 1

Number of bonding pairs: 2
Number of lone pairs: 0/3
Bond angles: 180°
Example: BeCl2

Question 2

Trigonal planar

Answer 2

Number of bond pairs: 3
Number of lone pairs: 0
Bond angles: 120°
Example: BF3

Question 3

Tetrahedral

Answer 3

Number of bond pairs: 4
Number of lone pairs: 0
Bond angles: 109°
Example: NH4+

Question 4

Trigonal pyramidal

Answer 4

Number of bond pairs: 3
Number of lone pairs: 1
Bond angles: 107°
Example: NH3

Question 5

Bent

Answer 5

Number of bond pairs: 2
Number of lone pairs: 2/1
Bond angles: 104.5°/118°
Example: H2O

Question 6

Trigonal bipyramidal

Answer 6

Number of bond pairs: 5
Number of lone pairs: 0
Bond angles: 90° and 120°
Example: PCl5

Question 7

Seesaw

Answer 7

Number of bond pairs: 4
Number of lone pairs: 1
Bond angles: 87° and 102°
Example: SF4

Question 8

T-shape

Answer 8

Number of bond pairs: 3
Number of lone pairs: 2
Bond angles: 89°
Example: ClF3

Question 9

Octahedral

Answer 9

Number of bond pairs: 6
Number of lone pairs: 0
Bond angles: 90°
Example: SF6

Question 10

Square pyramidal

Answer 10

Number of bond pairs: 5
Number of lone pairs: 1
Bond angles: 90°
Example: CLF5

Question 11

Square planar

Answer 11

Number of bond pairs: 4
Number of lone pairs: 2
Bond angles: 90°
Example: XeF4