5. Which of the following statements is not required for an acceptable wavefunction solution to the Schurbdinger equation? (a) The function must be single-valued. (b) The wave function must be real. (c) Both the wavefunction and its first derivative must be continuous. (d) The function must be quadratically integrable. (c) The function must not go to infinity over any finite region. Answer 6. The aumber of angular nodes in a hydrogen atomic orbital is equal to: (a) n (c) n2 (b) n11 (d) 1 (c) 2I