November 2006


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We have a fast approaching Chemistry Test, so I thought I would jot down some useful revision here.

ELEMENTS AND THE PERIODIC TABLE

The periodic table is a way of sorting all the elements.

An element is something that cannot be broken down any further, 1 atom.  Lots of elements mixed together make materials. Everything is made of materials.

The elements are sorted by groups and periods. Groups go vertically (downwards), and periods go horizontally (across).

The periodic table was invented by a russian scientist called Mendeleev. (pronounced Mendel-ee-ev)
 

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