Discovery of structure of the atom — task. Science CBSE, Class 9 New.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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Choose the correct answer:

1. Observe the given model of the atom and choose the correct scientist who proposed it.

Niels Bohr
Ernest Rutherford
John Dalton
J. J. Thomson

2. Which statement about neutrons is correct?

They orbit the nucleus.
They are found inside the nucleus and have no charge.
They determine the atomic number.
They are negatively charged.

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