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Drawback of Dalton atomic theory

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Drawback of Dalton atomic theory

Posted by Gurnoor Singh Pardhan 6 years, 9 months ago

CBSE > Class 09 > Science

1 answers

Yogita Ingle 6 years, 9 months ago

Drawbacks of Dalton atomic theory:
1) Dalton said that atoms are indivisible but they can be further divided into electron, proton and neutron.
2) Dalton said that atoms of a given element have exactly same masses. It is however now known that atoms of same element can have different masses(isotopes).
3) Dalton said that atom of different elements have different masses .It is however now known that atoms of different elements can have same masses(isobars).

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