10/14/11
Post date: Oct 17, 2011 4:41:36 PM
Bell ringer (written): Why do elements in one column on the periodic table have so much in common?
Reading from "The disappearing spoon"
Finish 5-2 notes
Page updated
Google Sites
Report abuse
Post date: Oct 17, 2011 4:41:36 PM
Bell ringer (written): Why do elements in one column on the periodic table have so much in common?
Reading from "The disappearing spoon"
Finish 5-2 notes