Wed., Oct. 3, 2012

Objectives: Groupings with polyatomic ions
Announcements:  None
Warm-up: Give the formula for barium combined with phosphorus and draw a color diagram of the compound.
Criss-cross method

Polyatomic Ions
Diagramming polyatomic ions
Joining PAI with metals
Ammonium

Homework:  Select 5 different polyatomic ions and diagram them in color (at least 1 has to be 1-, one that's 2- and at least 1 that's 3-).  Select 5 metals from columns 6-11 on the periodic table.  Choose a charge for each and make 2 compounds with each by combining them with the polyatomic ions you selected and diagrammed.
Due on Friday