2. Of energy, work, enthalpy, and heat, how many are state functions? (A) 0 (B) 1 (C) 2 (D) 3 (E) 4

8. Which of the following statements is false? (A) An orbital can accommodate at most two electrons. (B) The electron density at a point is proportional to ψ2 at that point. (C) The spin quantum number of an electron must be either + . (D) A 2p orbital is more penetrating than a 2s; i.(E), it has a higher electron density near the nucleus and inside the charge cloud of a 1s orbital.