Summarize exceptions to the octet rule by correctly pairing these molecules and phrases: odd number of valence electrons, PC l 5 , Cl O 2 , B H 3 , expanded octet, less than an octet.
1. A graph of the physical state of a substance as a function of ______ and _____ is called a phase diagram. A. Volume and temperature B. Temperature and pressure C. Pressure and volume D. Mass and pressure 2. On the heating curve for water there are three rising segments, each with different slope. What is the significance of the slopes A. The slopes have no significance. B. They indicate how much heat has to be added to achieve a phase change. C. They indicate how much heat is needed to increase the temperature of the substance. D. They indicate how much pressure is needed to achieve a phase change. 3. Which of the following cubic unit cells has the greatest packing efficiency A. They all have the same packing
