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Friday 9 May 2014
Tugasan 6 - Video
Video-video Menarik
Thursday 8 May 2014
Wednesday 7 May 2014
Saturday 3 May 2014
WHO DISCOVERED NUCLEUS IN ATOM???
E. Rutherford (1911) discovered the nucleus and provided the basis for the modern atomic structure through his alpha particle scattering experiment. According to Rutherford, the atoms is made of two parts: the nucleus and the extra-nuclear part. His experiments proved that the atom is largely empty and has a heavy positively-charged body at the center called the nucleus. The central nucleus is positively-charged and the negatively-charged electrons revolve around the nucleus.
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