| Name | Mass | Atomic Mass | Mass # | Charge |
| Electron | 9.110 x 10 -28 g | 0.0005486 u | 0 | -1 |
| Proton | 1.673 x 10 -24 g | 1.007276 u | 1 | +1 |
| Neutron | 1.675 x 10 -24 g | 1.008664 u | 1 | 0 |
The mass of an electron is 1/1837 of the mass of a Hydrogen Atom.
The mass of a Proton is 1836/1837 of the mass of a Hydrogen Atom.
Each Atom is Electrically neutral
# ( number ) Electrons = # of Protons
When a Proton and a Neutron are very close to each other, there is a strong attraction between them referred to as the Nuclear Forces.
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