1: Bonding

Question 1

Shape and bond angle of 2 bond pairs

Answer 1

Linear, 180

Question 2

Shape and bond angle of 3 bond pairs

Answer 2

Trigonal planar, 120

Question 3

Shape and angle of 4 bond pairs

Answer 3

Tetrahedral, 109.5

Question 4

Shape and angle of 5 bond pairs

Answer 4

Trigonal bipyramidal, 120 + 90

Question 5

Shape and angle of 6 bond pairs

Answer 5

Octahedral, 90

Question 6

Shape and angle of 2 bond pairs, 1 lone pair

Answer 6

Non-linear, 119

Question 7

Shape and angle of 3 bond pairs, 1 lone pair

Answer 7

Trigonal pyramidal, 107

Question 8

Shape and angle of 2 bond pairs, 2 lone pair

Answer 8

Nonlinear, 104.5

Question 9

Shape and angle of 4 bond pairs, 1 lone pair

Answer 9

Seesaw, 102 + 87

Question 10

Shape and angle of 3 bond pairs, 2 lone pair

Answer 10

Distorted T, 87.5

Question 11

Shape and angle of 5 bond pairs, 1 lone pair

Answer 11

Square pyramidal, 90 + 81.9

Question 12

Shape and angle of 4 bond pairs, 2 lone pair

Answer 12

Square planar, 90

Question 13

Electronegativity definition

Answer 13

The ability of an atom to attract the bonding electrons in a covalent bond

Question 14

Why is ice less dense than water?

Answer 14

Maximum number of hydrogen bonds form - more space between molecules due to lattice structure
Hydrogen bonds longer than covalent