1. Chemistry 10/2/13 Mrs. Turgeon “I’ve missed more than 9000 shots in my career. I’ve lost almost 300 games. 26 times, I’ve been trusted to take the game winning shot and missed. I’ve failed over and over and over again in my life. And that is why I succeed.” –Michael Jordan DO NOW: 1. In your notes: In your own words, describe the difference between an atom and an ion.

2. Chemistry 10/2/13 Mrs. Turgeon AGENDA: 1. Class discussion/activity- The properties of atoms and ions 2. White Board Practice in groups 3. Tomorrow: Density Lab

3. EVERYTHING ON THE PERIODIC TABLE IS NEUTRAL!!!

4. Properties of Compounds In general, the properties of compounds are quite different from those of their component elements.  chlorine (Cl 2 )is used to kill harmful organisms in swimming pools.  sodium vapor (Na) produces the light in some street lamps.  sodium chloride (NaCl), commonly called salt, is used to season or preserve food.

5. White Board Practice!  Send your spokesperson to the teacher’s desk to get a white board, marker, and eraser (one board for each POGIL group)

6. Practice Ions Chart… Ion SymbolProtonsElectronsCharge S 2- 1618- 2 K 1+ 1918+ 1 Ba 2+ 5654+ 2 Fe 3+ 2623+ 3 Fe 2+ 2624+ 2 F 1- 910- 1 O 2- 810- 2 P 3- 1518- 3