Rutherford put forward the presence of a in the centre of an atom.

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nucleus

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Solution

The correct option is B nucleus
Rutherford put forward the nuclear model of an atom. He concluded the presence of a positively charged nucleus present at the center of an atom. Most of the mass of an atom resides in the nucleus. The size of the nucleus is very small when compared to the size of an atom.

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Q. Rutherford put forward the presence of a in the centre of an atom.

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