Atomic Math Games, Periodic Table and Videos

Link to the following for a copy of the periodic table:
http://www.nysedregents.org/testing/reftable/archreftable/chempertable.pdf

For Atomic Math Calculations Game, go to

http://education.jlab.org/elementmath/index.html

For a video to explain atomic number and mass, go to

http://www.nysedregents.org/testing/reftable/archreftable/chempertable.pdf