Explain drawbacks of daltons atomic theory with example
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he suggested that
1.electron r present in atom like seedsin watermelon
2.he suggested that atoms r uniformly densed
1.electron r present in atom like seedsin watermelon
2.he suggested that atoms r uniformly densed
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John Dalton in 1808 proposed a theory of the atom known as the atomic theory. Dalton's original theory of the atom has undergone modifications but the principal aspects of the theory are still held valid and useful in the study of chemistry.
Dalton's atomic theory :
Atoms are indivisible and indestructible.
An atom is the smallest indivisible particle of an element.
Atoms of the same element are alike in all respects and differ from atoms of other elements.
Modern atomic theory :
Atoms are divisible and destructible.
Atoms are divisible consisting of sub atomic particles like electrons , protons and neutrons.
Atoms of the same element may not be alike in all respects as seen in case of isotopes which are atoms of the same element having the same atomic number but different mass number.
Dalton's atomic theory :
Atoms are indivisible and indestructible.
An atom is the smallest indivisible particle of an element.
Atoms of the same element are alike in all respects and differ from atoms of other elements.
Modern atomic theory :
Atoms are divisible and destructible.
Atoms are divisible consisting of sub atomic particles like electrons , protons and neutrons.
Atoms of the same element may not be alike in all respects as seen in case of isotopes which are atoms of the same element having the same atomic number but different mass number.
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