Tuesday, 21 May 2013

Periodic Table

Dmitri Mendeleev was the creator of the Periodic Table. In the Periodic Table there 18 groups and 118 elements discovered in planet earth right now. Periodic  .The groups are: Group 1 Alkalis Metal, Group 2 Alkaline Earth Metals, Group 3-12 Transitional Metals, 13&14 Unnamed, Group 15  Pnictogen, Group 16 Chalcogen, Group 17 Halogens, Group 18 Noble gases.

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