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Byju's Answer
Standard XII
Chemistry
Thomson's Discovery of Electrons
Which of the ...
Question
Which of the following has negligible weight?
A
Proton
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B
Neutron
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C
Electron
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D
Isotope
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E
Ion
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Solution
The correct option is
C
Electron
The mass of an electron is around
9.109
×
10
−
31
kg.
This is considered as the only weightless "elementary particles" due to very less weight.
Hence the correct option is C.
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