what is the difference expressed in kilograms between the mass of proton and the mass of electon?
Answer:
The difference in mass between a proton and electron is 1.672*10⁻²⁷ kg
Explanation:
Mass of a proton = \(1.673*10^{-24} \ g\)
Mass of an electron = \(9.11*10^{-28} \ g\)
The difference in mass between a proton and electron is:
\([1.673*10^{-24} - 9.11*10^{-28}]g = 1.672*10^{-24}\ g\)
Convert g to kg
10³ g = 1 kg
The difference in mass in units of kg would be:
\(=\frac{1.672*10^{-24}g * 1 kg }{10^{3}g} = 1.672*10^{-27} kg\)
The difference between the mass of an electron and a proton is equal to\(1.672*10^{-27}\) kg.
We know that the mass of a proton is equal to \(1.673*10^{-24}\) g and the mass of an electron is equal to \(9.11*10^{-28}\) g. and
So,
=> [\(1.673*10^{-24} - 9.11*10^{-28}\)]
= [\(1.672*10^{-24}\)] g
= [\(1.672*10^{-27}\)] kg
Thus, the difference between the mass of an electron and a proton is equal to\(1.672*10^{-27}\) kg.
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