What did Rutherford conclude from his experiment regarding the central part of any atom?

Centre is empty

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Central part is the nucleus

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Central part is filled with electrons

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Atom has no centre

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Solution

The correct option is B
Central part is the nucleus

When Rutherford experimented with bombarding alpha particles on gold foil, he realized that few particles bounced back directly. Rutherford’s result lead him to believe that most of the foil was made of empty space, but had extremely small, dense lumps of matter inside, which is present only at the center because from center, few particles bounced back. All other particles deflected at different angles. So Rutherford concluded that the center part of any atom is nucleus.

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What did Rutherford conclude regarding the atomic mass?
(i) Mass of the atom is uniformly distributed.
(ii) Nucleus of an atom is much heavier than electron.
(iii) Nearly all the mass of an atom resides at the centre of an atom.
(iv) Nucleus of an atom is lighter than the electron.

What did Rutherford conclude from his gold foil experiment?

Write 'true' or 'false' for the following statements :

(a) An atom on the whole has a positive charge.

(b) The maximum number of electrons in the first shell can be 8.

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