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Chemistry CBSE Live product
Class 9
Structure of the atom
Introduction to structure of the atom
3.
Atoms and subatomic particles
Question:
2
m.
Choose the correct answer:
1
.
Whose atomic theory was made meaningless by the discovery of two fundamental particles inside the atom?
J. J. Thomson
James Chadwick
Dalton
Eugen Goldstein
2
.
Find out the subatomic particle from the following.
Positron
Alpha particle
Neutron
Positive electron
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