Answers

2016-03-31T06:47:17+05:30
Neutron = 1
Proton = 0.99862349
Electron =0.00054386734
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2016-03-31T08:08:18+05:30
Charge on an electron is
-1.6×10^19
charge on a proton
+1.6×10^19
so the charges cancel out each other and on a whole an atom has no charge
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