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Unit EQ:How is periodic table arranged? What is electron configuration ?PowerPoint Presentation

Unit EQ:How is periodic table arranged? What is electron configuration ?

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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.
What do the Bohr models look like?

- Test Thursday – PSAT tomorrow
- Test review with answers online

I MDKJ

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

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

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 1s22s22p3.

Quarter Test Oct 26th, Next Tuesday

Ticket out the Door 10/4/10

- What is 28oC in Kelvin?
- How many neutrons does Uranium-234 have?
- What element is in group 5 period 6?
- Germanium (Ge) is what type of element?
- What is the name of group 17?

Ticket out the Door Retake 10/2/09

- What is 45oC in Kelvin?
- 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?

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