Thurs., Mar. 20, 2014

Objectives:  To determine which element
will be created when nuclear decay occurs
Announcements:  Research Project
Opener: Groups/projects reminders 
Spectrum tubes for other elements

Quickie Quiz...How many neutrons does
an atom of Os-190 have?  Draw the 
Bohr model diagram for Mg-21.  Why
does the number of neutrons increase 
faster than the atomic number? 
Homework: Research project link