Give the mass and charge of the fundamental particles of an atom.

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Solution

The fundamental particles of an atom are: Electrons, protons, and neutrons.
Electron (e^-) Charge of an electron = - 1.6×10^-19C and mass of the electron = 9.109×10^-31kg or 0.00054 amu.
Proton ( H⁺): Charge of a proton = + 1.602 ×10^-19C and mass of proton =1.673×10^-27kg or 1.00728 amu.
Neutron: Specific charge of neutron = 0 and mass of neutron = 1.675×10^-27kg.

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