TY - MANSCPT AU - Thomas,Michele TI - Oxygen PY - 2005/// CY - New York PB - The Rosen Publishing Group, Inc. KW - Oxygen KW - Periodic laws - Tables KW - Understanding the Elements of the Periodic Table N1 - 5 - 9 N2 - Explains the characteristics of oxygen, where it is found, how it is used by humans, and its relationship to other elements found in the periodic table ER -