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