Friday, May 21, 2010
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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