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

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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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