Comparison of Atoms Particle
Table: Comparison of mass, charge and specific charge of electron, proton and neutron
Name of constant | Unit | Electron(e–) | Proton(p+) | Neutron(n) |
Mass (m) | Amu Kg Relative | 0.000546 9.109 × 10–31 1/1837 | 1.00728 1.673 × 10–27 1 | 1.00899 1.675 × 10–27 1 |
Charge(e)
| Coulomb (C) Esu Relative | – 1.602 × 10–19 – 4.8 × 10–10 – 1 | +1.602 × 10–19 +4.8 × 10–10 +1 | Zero Zero Zero |
Specific charge (e/m) | C/g | 1.76 × 108 | 9.58 × 104 | Zero |
Density | Gram / cc | 2.17×10-17 | 1.114×14 | 1.5×10-14 |
* The atomic mass unit (amu) is 1/12 of the mass of an individual atom of 6C12, i.e.. 1.66×10-27kg