Constituents of the atom: Relative charge charge Relative weight Mass/kg proton 1 +1.6x1019 1 1.67x10-27 neutron 0 0 1 1.67x10-27 electron -1 -1.6x1019 1/2000 9.11x10-31   Isotopes: Isotopes are the atoms with the same number of protons and different number of...

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