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CBSE
Class 9
Science
Exploration
Journey Inside the Atom
Question Bank

What was a significant limitat...

Single Answer MCQ
Q-00172061

What was a significant limitation of early atomic models?

1

They were too complex.

2

They proposed atoms as indivisible.

3

They were based on experimental data.

4

They recognized electrons.

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Q1.

Who proposed the idea of indivisible particles called 'parmanus'?

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Q2.

What was the term used by Democritus to refer to indivisible particles?

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Q3.

Which scientist's atomic theory was based on experimental observations?

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Q4.

What significant particle did J.J. Thomson discover?

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