Clf2- Geometry VSEPR Analysis Of Inorganic Triatomic Molecules And Ions?

VSEPR Analysis of Inorganic Triatomic Molecules and Ions? - clf2- geometry

1. How many pairs of electrons on the central atom of the following? (0, 1, 2, 3 or 4?)
I3 --
SO2
N2O

2. What is the electron pair geometry of the following?
(Linear, trigonal planar, tetrahedral, trigonal bipyramid or octahedral?)
HCN
O3
CLF2 +
ClO 2 --
ICl2 +
CLF2 --

3. What is the bond angle at the central atom of the following?
(90 º, 109 º, 120 º or 180 º)
NCO --
CO2
NSF

Thanks in advance!