1. Consider the Coulomb (J) and resonance integrals (K) in H2+:
What is their contribution to bonding in H2+?
They both contribute about equally and favorably.
By and large, only K contributes favorably.
By and large, only J contributes favorably.
None of them contribute favorably.

2. from McQuarrie & Simon “Physical Chemistry”
Consider the Coulomb (J) and resonance integrals (K) in H2+:
What is their contribution to bonding in H2+?
They both contribute about equally and favorably.
By and large, only K contributes favorably.
By and large, only J contributes favorably.
None of them contribute favorably.
from McQuarrie & Simon “Physical Chemistry”

3. What kind of orbital is this?
(A) g
u*
g*
(D) u
(E) g*
side view
view along molecular axis

4. What kind of orbital is this?
(A) g no nodal plane containing the bond ... ; even inversion symmetry ... g no nodal plane between nuclei ... bonding;
u*
g*
(D) u
(E) g*
side view
view along molecular axis

5. What kind of orbital is this?
(A) g
u*
g*
(D) u
(E) g*
side view
view along molecular axis

6. What kind of orbital is this?
(A) g
u* no nodal plane containing the bond ... ; odd inversion symmetry ... u nodal plane between nuclei ... antibonding;
g*
(D) u
(E) g*
side view
view along molecular axis

7. What kind of orbital is this?
(A) g
u*
g*
(D) u
(E) g*
side view
view along molecular axis

8. What kind of orbital is this?
(A) g
u*
g* one nodal plane containing the bond ... ; even inversion symmetry ... g nodal plane between nuclei ... antibonding;
(D) u
(E) g*
side view
view along molecular axis

9. What kind of orbital is this?
(A) g
u*
g*
(D) u
(E) g*
side view
view along molecular axis

10. What kind of orbital is this?
(A) g
u*
g*
(D) u one nodal plane containing the bond ... ; odd inversion symmetry ... u no nodal plane between nuclei ... bonding;
(E) g*
side view
view along molecular axis