molecular geometry

Question 1

tetrahedral geometry has how many sigma bonds and lone pairs (ex CH4). what is the hybridization? and bond angle?

Answer 1

4 sigma bonds no lone pairs
sp3 hybridized
109.5 degrees

Question 2

trigonal pyramidal geometry has how many sigma bonds and lone pairs? (ex: NH3) what is the hybridization? what is the bond angle?

Answer 2

3 sigma bonds and 1 lone pair
sp3 hybridized with lone pair in sp3 orbital
107 degrees

Question 3

bent geometry has how many sigma bonds and lone pairs? (ex H2O) what is the hybridization? bond angles?

Answer 3

2 sigma bonds and 2 lone pairs
sp3 hybridized
105 degrees

Question 4

trigonal planar geometry has how many sigma bonds and lone pairs? (BF3) what is the hybridization? bond angle?

Answer 4

3 sigma bonds and no lone pairs
sp2 hybridized
120 degrees

Question 5

linear geometry has how many sigma bonds and lone pairs? (ex: BeH2) what is the hybridization? bond angles?

Answer 5

2 sigma bonds and no lone pairs
sp hybridized
180