8.13 , geometry 1 lone pairs

Question 1

steric number 3, 1 lone pair (2 electrons)

Answer 1

bent, more than 120

Question 2

steric number 4, 1 lone pair (3 electrons)

Answer 2

trigonal pyramid, more than 109.5

Question 3

steric number 5, 1 lone pair (4 electrons)

Answer 3

seesaw, more than 90, more than 120

Question 4

steric number 6, 1 lone pare

Answer 4

square pyramid, more than 90