9/27/2011
Post date: Sep 29, 2011 3:51:40 PM
Bell ringer (written): what is an atom? What are the three parts of an atom?
Begin chapter 4, section 1 notes - Studying atoms
Post date: Sep 29, 2011 3:51:40 PM
Bell ringer (written): what is an atom? What are the three parts of an atom?
Begin chapter 4, section 1 notes - Studying atoms