Tuesday, 21 May 2013

Science

Summary of periodic table:
The periodic table is a table/grid to show the 118 elements, they are arranged by their similar properties. The elements are also arranged by there atomic numbers. Only 94 elements have been seen on earth but there are known to be 118 all together.  Each element on the periodic table makes up everything in our world. In 1864 the periodic table was created by Dmitri Mendeleev.

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