1. Unit EQ:How is periodic table arranged? What is electron configuration ? Warm-up 10/12/10 Finish electron configuration for 18 elements, with friend if need help. Finish electron configuration for 18 elements, with friend if need help. What do the Bohr models look like? Test Thursday – PSAT tomorrow Test Thursday – PSAT tomorrow Test review with answers online Test review with answers online I MDKJ

2. Rules for finding Electron configuration of atoms Aufbau principle- electrons occupy orbitals of lowest enrgy 1st Pauli exclusion principle – electrons in the same orbital have to have opposite spins Hund’s Rule – electrons occupy orbitals of the same energy so that the number of electrons with the same spin is as large as possible. What? Explanation-Dealing cards

3. Unit EQ:How is periodic table arranged? What is electron configuration? Warm-up 10/15/10 Finish electron configuration for 1-36 elements, with friend if need help. And Noble gas also Finish electron configuration for 1-36 elements, with friend if need help. And Noble gas also

4. Unit EQ:How is periodic table arranged? What is an orbital notation? Warm-up 10/18/10 What is the electron configuration and orbital notation for Phosphorus? 2)What element is represented by 1s 2 2s 2 2p 3. Quarter Test Oct 26 th, Next Tuesday

5. Ticket out the Door 10/4/10 1) What is 28 o C in Kelvin? 2) How many neutrons does Uranium-234 have? 3) What element is in group 5 period 6? 4) Germanium (Ge) is what type of element? 5) What is the name of group 17?

6. Ticket out the Door Retake 10/2/09 1) What is 45 o C in Kelvin? 2) What is 256 K in Celsius? 3)What element is in group 7 period 3? 4)Arsenic (As) is what type of element? 5)What is the name of group 18?