Organizing the Elements 3.2

Menedeleev..... he was given credit for creating the first version of the periodic table in 1869

In the table cards he included the atomic mass and the chemical symbol. He organized the elements by Group and periods (rows)

Lets look at a new periodic table.

http://whyy.pbslearningmedia.org/asset/phy03_int_ptable/

Click on the table cards to see the information 

and the electron config