Question 1
Which of the following have a 1+ formal charge on the central atom?

◦ I
◦ II
◦ III
◦ III and V
◦ IV and V
Question 2
Which of the following principle states "The lowest energy orbital is filled first"?
◦ Pauli exclusion principle
◦ Aufbau principle
◦ Le Chatelier's principle
◦ Heizenberg Uncertainty principle
◦ Hund's Rule