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Chemistry
Structure of Atom
CBSE
Class 11
Chemistry
Class 11 - Chemistry
Structure of Atom
MCQ
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1.
Which of the following statements about the electron is incorrect?
a.
It is a negatively charged particle.
b.
The mass of electron is equal to the mass of neutron.
c.
It is a basic constituent of all atoms.
d.
It is a constituent of cathode rays.
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