Friday, December 12, 2008

revision work sheet- Periodic Table

1.Why did Dmitri Mendeleev leave gaps in his Periodic Table?

2.What is a Column called?

3.What is a Row called?

4.Where do you find Non-Metals in the Periodic Table?

5.What is important about the Group Number of an Element?

6.What is the Electron Structure of Potassium?

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chemistry notes / igcse-gcse- Olevel