Answer:
The mass of neutron is heavier than proton by 2.3055 × 10⁻³⁰ (2.3055*10^-30) kg.
Explanation:
Proton
Proton is the sub-atomic particle of an atom that contains a positive charge.
Its mass is 1.6726231 × 10⁻²⁷ kilograms.
Neutron
Neutron is the sub-atomic particle of an atom that carry a neutral charge. This means it does not have either a positive charge or negative charge.
Its mass is 1.6749286 × 10⁻²⁷ kilograms.
From the definitions of protons and neutrons above, it can be noticed that they have nearly the same mass (1.6726231 × 10⁻²⁷ kilograms and 1.6749286 × 10⁻²⁷ kilograms).
The mass of neutron is heavier than proton by 2.3055 × 10⁻³⁰ (2.3055*10^-30) kg.
Electron, the other sub-atomic particle of an atom that contains the negative charge has a mass that is much less massive compared to proton and neutron (9.1093897 × 10⁻³¹ kg).
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