Chemistry exam 3

Question 1

2 e- groups

Answer 1

linear, 180 degrees, same molecular geometry

Question 2

3 e- groups

Answer 2

trigonal planar, 120 degrees, molecular geometry=1 lone pair and 2 bonds= bent

Question 3

4 e- groups

Answer 3

tetrahedral, 109.5 degrees, molecular geometry=3 bonds, 1 lone pair= trigonal pyramidal, 2 bonds and 2 lone pairs= bent

Question 4

5 e- groups

Answer 4

trigonal bipyramidal, 90 and 120 degrees, molecular geometry=4 bonds, 1 lone pair=seesaw, 3 bonds, 2 lone pairs=T shaped, 2 bonds, 3 lone pairs= linear

Question 5

6 e- groups

Answer 5

octahedral, 90 degrees, molecular geometry=5 bonds, 1 lone pair=square pyramidal, 4 bonds and 2 lone pairs=square planar