science
Grade-9
Easy
Question
Who came to conclusion that whole mass is concentrated at the center of the atom.
- Thomson
- Rutherford
- James Chadwick
- Bohr’s
Hint:
Rutherford proposed atomic structure and concluded that the middle core nucleus is concentrated with mass.
The correct answer is: Rutherford
- The atomic structure of elements is proposed by Ernest Rutherford.
- In the model, Rutherford explained that the nucleus lies at the center of an atom and is surrounded by many electrons.
- The middle core nucleus is concentrated with mass.
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