PLEASE ANSWER ALL QUESTIONS NEATLY!! 1. Which of the following has square-planar molecular geometry? SF4 XeF4 CCl2Br2 CC

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PLEASE ANSWER ALL QUESTIONS NEATLY!!
1. Which of the following has square-planar moleculargeometry?
SF4
XeF4
CCl2Br2
CCl4
PH3
2. Which of the following has a T-shapedstructure?
NH3
BCl3
ICl3
PCl3
SO3
3. Which series correctly identifies the hybridizationof the central atom in a molecule of AlCl3?
sp
sp2
sp3
sp3d
sp3d2
4. The angle between two sp hybrid orbitalsis:
109°
120°
180°
60°
90°
5. The fact that the BF3 molecule is planar means thatthe B atom is:
unhybridized
sp-hybridized
sp3-hybridized
sp2-hybridized
6. What type of hybrid orbitals are used by the carbonatoms in C2H6?
d2sp3
sp3
sp2
d2sp2
sp
7. How many valence electrons does an aluminum atomhave?
8. Consider a molecule of NI3.
How many bonding electron pairs are there?
In NI3, how many lone electron pairs arethere?
9. Using VSEPR, predict the shape of the followingmolecules:
Molecule
Shape
carbon tetrachloride
methane
SeH2
TeF6
MgCl2
AlBr3
IF5
TeCl2
BrF3
PCl3
10. Why don't all molecules with the general atomic formulaAB3 have the same shape?