Thursday, May 20, 2010

Class 11 Structure of atom Rutherford





Nucleus of an atom was first discovered by deflection of positive particles passed through a thin foil of gold.

Wednesday, May 19, 2010

class 11th cbse Some Basic concepts of chemistry

Dr Brian Cox takes us on a journey through the history of particle physics. In this episode we learn that the Greeks knew about atoms and how Mendeleyev's periodic table was among the first clues that the atom had a deeper structure.































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