Shapes

Question 1

Linear

Answer 1

Number of negative regions around centre: 2
Bond angle: 180
Number of lone pairs: 0

Question 2

Trigonal planar

Answer 2

Number of negative regions around centre: 3
Bond angle: 120
Number of lone pairs: 0

Question 3

Bent or V-shape (3 negative regions)

Answer 3

Number of negative regions around centre: 3
Bond angle: 120
Number of lone pairs: 1

Question 4

Tetrahedral

Answer 4

Number of negative regions around centre: 4
Bond angle: 109
Number of lone pairs:0

Question 5

Trigonal pyramid

Answer 5

Number of negative regions around centre: 4
Bond angle: 109
Number of lone pairs:1

Question 6

Bent or V-shape (4 negative regions)

Answer 6

Number of negative regions around centre: 4
Bond angle: 109
Number of lone pairs:2

Question 7

Trigonal bipyramid

Answer 7

Number of negative regions around centre:5
Bond angle: 120, 90
Number of lone pairs:0

Question 8

Distorted tetrahedron or see-saw

Answer 8

Number of negative regions around centre:5
Bond angle: 120, 90
Number of lone pairs:1

Question 9

T-shaped

Answer 9

Number of negative regions around centre:5
Bond angle: 120, 90
Number of lone pairs:2

Question 10

In a trigonal bipyramid where are the lone pairs removed from?

Answer 10

The lone pairs of electrons are always in the horizontal plane

Question 11

Octahedral

Answer 11

Number of negative regions around centre:6
Bond angle: 90
Number of lone pairs:

Question 12

Square pyramid

Answer 12

Number of negative regions around centre:6
Bond angle: 90
Number of lone pairs:1

Question 13

Square planar

Answer 13

Number of negative regions around centre:6
Bond angle: 90
Number of lone pairs:2

Question 14

In octahedral, where are the lone pairs removed from?

Answer 14

Lone pairs of electrons are always located on the vertical plane