"...a fundamental knowledge of the substances in our world—their composition, properties, and interactions." -Department of Defense Education Activity's High School Core Science Standards (Chemistry)
Textbook:
Sarquis, J. and M. Sarquis. 2012. Modern Chemistry. Holt McDougal. Boston, MA. ISBN: 978-0-54-758663-2.
IUPAC Periodic Table of the Elements
National Institute of Standards and Technology (NIST) Periodic Table of the Elements