Shapes Of Molecules

Question 1

Monoatomic structure?

Answer 1

Atoms

Question 2

Simple molecular?

Answer 2

Molecules

Question 3

Giant covalent?

Answer 3

Atoms

Question 4

Ionic?

Answer 4

Ions

Question 5

Metallic?

Answer 5

Ions and delocalised electrons

Question 6

2 electron pairs?

Answer 6

Linear and a bond angle = 180

Question 7

3 electron pairs?

Answer 7

Trigonal planar and bond angle = 120

Question 8

4 electron pairs?

Answer 8

Tetrahedral and bond angle = 109.5

Question 9

5 electron pairs?

Answer 9

Trigonal pyramidal and bond angle = 120 and 90

Question 10

6 electron pairs?

Answer 10

Octahedral and bond angle = 90

Question 11

Each lone pair…

Answer 11

Angle reduces by 2.5 degrees

Question 12

Increasing repulsion?

Answer 12

Bonded pair/bonded pair < bonded pair/lone pair < lone pair/lone pair

Question 13

Variation on Trigonal planar?

Answer 13

1 lone pair of bonding regions
V-shaped/non-linear/bent 119.5 degrees

Question 14

Variations on tetrahedral?

Answer 14

1 lone pair and 3 bonding pairs
Trigonal pyramidal and 108 degrees

Question 15

Variations on tetrahedral (2 lone pairs)?

Answer 15

2 lone pairs and 1 bonding pair
V-shaped/bent/non-linear and 104.5 degrees