Question

1) According to the quantum theory, the size of an atomic orbital is most directly associated with?

a)the principle quantum number(n)

b)the angular momentum quantum number(I)

c)the magnetic quantum number(ml)

d)the spin quantum number(ms)

e)the angular momentum and magnetic quantum numbers, together

2)Which of the following molecules contains polar bonds but is nonpolar?

a)PF3

b)F2

C)H2O

d)NH3

E)CCl4

3)According to the molecular orbital theory predict the bond order for N2-

a)1

b)2

c)2.5

d)3

e)3.5

Answer 1

1. The principal quantum number (n) describes the size of the orbital.

2. CCL4 is the molecule which has polar bond but is nonpolar

3.

Bond order for N2- is 2.5