Which of the following is the relation between the Mass of proton (MP) and Mass of Neutron (MN) ?
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Option 3 : MN = MP
Mass of Proton is equal to the Mass of Neutron.
|
Particle
|
Charge/C
|
Mass/Kg
|
|
Protons
|
1.6 × 10-19 C
|
1.6726 x 10-27 Kg
|
|
Neutrons
|
0
|
1.6749 x 10-27 Kg |
|
Electrons
|
1.6 x 10-19 C
|
9.11 x 10-31 Kg
|
Mistake Points
- Neutrons weigh slightly higher than protons.
- The number of neutrons, together with the number of protons, form the atomic mass number.
- The neutron is very slightly heavier than the proton, by about 0.1%, or 1.00137841887 according to the best measurements. Which is negligible in nature so the mass of a proton is equal to the neutron
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