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Which subatomic particle determines the atomic number?

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Important Questions on Atomic Structure

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Which model introduced energy levels for electrons?
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Who developed the theory of atoms known as Paramanu-veda?
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Maharishi Kanad was a great Indian sage in the Vedic period and his contribution to chemistry is he was the first man to propound the idea of the ultimate particle of matter as 'anu' and 'paramanu'.
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What was the major flaw in the Thomson model?
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According to Kanad, matter is made up of tiny particles named
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What was Maharishi Kanada's view on atom?
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What did Maharshi Kanad call the indivisible particle of a matter?
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Who is Maharshi Kanad? What are the contributions of Maharshi Kanad towards chemistry?
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What did Rutherford’s model fail to explain?
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Who proposed the 'plum pudding model' of the atom?
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In ancient times, which scientist and philosopher named the present day atoms as "paramanus"?
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Who introduced the concept of the indivisible atom in ancient times?
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Way back in the sixth century BC, the Indian philosopher Kanad came forward with which of the following ideas?
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According to Maharishi Kanada 'anu' may be made up of sub particles called _____.
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What is the contribution of the following in atomic structure:

Maharshi Kanada

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What was the basis of Dalton’s atomic theory?