EASY
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Who introduced the concept of the indivisible atom in ancient times?

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Important Questions on Atomic Structure

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Who proposed the 'plum pudding model' of the atom?
HARD
Who developed the quantum mechanical model of the atom?
MEDIUM
Way back in the sixth century BC, the Indian philosopher Kanad came forward with which of the following ideas?
MEDIUM
Which experiment led to the discovery of the nucleus?
MEDIUM
What was the contribution of Aristotle to atomic theory?
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Which scientist demonstrated that the atom has a dense nucleus?
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Which model introduced energy levels for electrons?
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According to Maharishi Kanada 'anu' may be made up of sub particles called _____.
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Which subatomic particle determines the atomic number?
MEDIUM
Who developed the theory of atoms known as Paramanu-veda?
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Who proposed the first atomic theory?
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Which subatomic particle was discovered by James Chadwick?
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Which particle is most responsible for the chemical properties of an atom?
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In ancient times, which scientist and philosopher named the present day atoms as "paramanus"?
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What was the basis of Dalton’s atomic theory?
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According to Kanad, matter is made up of tiny particles named
MEDIUM
What did Rutherford’s model fail to explain?
EASY
Which discovery confirmed the existence of protons?