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Question


Identify the conclusions from the Rutherford's alpha ray scattering experiment.


Options:
A .   The centre of the atom is empty space
B .   Most of the volume of the atom is empty
C .   The center of the atom has only negative charge
D .   Atomic mass is concentrated at the centre of the atom
Answer: Option B
:
B and D

According to Rutherford, the atoms are 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 centre called the nucleus. The central nucleus is positively-charged and the negatively-charged electrons revolve around the nucleus.



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