1.1.How many style="color:rgb(0,0,0);">σ bonds and π bonds are in the molecule N2H2 ? 2.Which of the following are correct statements about the valence-shell electron-pair repulsion (VSEPR) model of bonding? 1)Electron pairs orient themselves to give the smallest angles possible. 2)Only bonding electron pairs are important in the VSEPR model. 3)Electron domain geometry in all cases describes the spatial geometry of the atoms in the molecule. I only II only III only I, II, and III None of the above 3.Which of the following is non-planar? 1)SO2 2)SO3 3)SO42− 4)NO3− 5)BF3 4.A molecule EF4 has seesaw molecular geometry. What is the identity of the element E? A.Rn B.Se C.I D.F E.Ar ? 2.Which of the following are correct statements about the valence-shell electron-pair repulsion (VSEPR) model of bonding? 1)Electron pairs orient themselves to give the smallest angles possible. 2)Only bonding electron pairs are important in the VSEPR model. 3)Electron domain geometry in all cases describes the spatial geometry of the atoms in the molecule. I only II only III only I, II, and III None of the above 3.Which of the following is non-planar? 1)SO2 2)SO3 3)SO42− 4)NO3− 5)BF3 4.A molecule EF4 has seesaw molecular geometry. What is the identity of the element E? A.Rn B.Se C.I D.F E.Ar

1.How many

style=”color:rgb(0,0,0);”>σ bonds and π bonds are in the molecule N2H2 ?

2.Which of the following are correct statements about the valence-shell electron-pair repulsion (VSEPR) model of bonding?

1)Electron pairs orient themselves to give the smallest angles possible.

2)Only bonding electron pairs are important in the VSEPR model.

3)Electron domain geometry in all cases describes the spatial geometry of the atoms in the molecule.

I only

II only

III only

I, II, and III

None of the above

3.Which of the following is non-planar?

1)SO2

2)SO3

3)SO42−

4)NO3−

5)BF3

4.A molecule EF4 has seesaw molecular geometry. What is the identity of the element E?

A.Rn

B.Se

C.I

D.F

E.Ar