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Subjects
Science CBSE
Class 9 New
Journey inside the atom
Pumpa Practice Questions
7.
Atomic Structure and Discoveries
Exercise condition:
3
m.
Match the following
Answer variants:
Positively charged particles containing two protons and two neutrons
Proposed Parmanu
Proposed the Plum Pudding Model
Column A
Column B
i.
J. J. Thomson
ii.
Maharishi Kanad
iii.
Alpha particles
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