Homework Videos:
Organization of the Periodic Table
http://www.gpb.org/chemistry-physics/chemistry/402
Periodic Trends
http://www.gpb.org/chemistry-physics/chemistry/403
Homework Videos:
Organization of the Periodic Table
http://www.gpb.org/chemistry-physics/chemistry/402
Periodic Trends
http://www.gpb.org/chemistry-physics/chemistry/403