Question

What are the failures of Dalton's atomic theory?

Answer 1

Answer:

Drawbacks of Dalton's atomic theory :

☆According to Dalton's theory atoms are indivisible particles but actually atoms are divisible in our modern theory.

☆Dalton doesn't explained about Isotopic forms.

☆sometimes components will not maintain fixed ratio.

☆ He doesnot given clarity about the shapes of the atom.

☆He doesn't explained about spectral lines of an atom.

Hope!!! it helps you....

Answer 2

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His theory contained five main propositions:-

• All matter is comprised of tiny, definite particles called atoms.
• Atoms are indivisible and indestructible.
• All atoms of a particular element share identical properties, including weight.
• Atoms of different elements contain different mass.
• Atoms of different elements combine in fixed whole-number ratios when forming compounds.