Topic 2- Bonding ( Shapes Of Molecules )

Question 1

2 bonding pairs, 0 lone pairs

Answer 1

Linear, 180°

Question 2

3 bonding pairs, 0 lone pairs

Answer 2

Trigonal planar, 120°

Question 3

4 bonding pairs, 0 lone pairs

Answer 3

Tetrahedral, 109.5°

Question 4

3 bonding pairs, 1 lone pair

Answer 4

Trigonal pyramidal, 107°

Question 5

2 bonding pairs, 2 lone pairs

Answer 5

Bent, 104.5°

Question 6

5 bonding pairs, 0 lone pairs

Answer 6

Trigonal bipyramidal, 120° & 90°

Question 7

6 bonding pairs, 0 lone pairs

Answer 7

Octahedral, 90°

Question 8

How to explain shape of bond?

Answer 8

1. State number of bond and lone pairs
2. State that electron pairs repel
3. If no lone pairs, state that lone pairs repel equally
4. If lone pairs, state that lone pairs repel more
5. Stats actual shape and bond angle.