Which of the following sub-atomic particles is not present in an atom�

1.	Which of the following sub-atomic particles is not present in an atom [JIPMER 1999]
A.	Neutron
B.	Proton
C.	Electron
D.	Positron
Answer» E.

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Which of the following sub-atomic particles is not present in an atom [JIPMER 1999]

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