Wednesday, April 29, 2009

7th/8th/6th science

Today's Agenda:
Please remember to bring your reading books and planners to class
  • Bellringer
  • Ionic and Covalent Bonds
  • Discussion and questions

Problem of the day: Answser the following questions on a piece of scratch paper:

1. How many electrons does nitrogen have in its outer energy level? How many does bromine have?

2. How many electrons does oxygen have in its first energy level? Second energy level?

3. Atoms in a group of elements increase in size as you move down the periodic table. Explain why this is so?

"Everyone is a genius at least once a year. The real geniuses simply have their bright ideas closer together." Georg C. Lichtenberg

Astoronomy Picture of the day

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