Question

write any three draw backs of Dalton's atomic theory.​

Answer 1

Answer:

The indivisibility of an atom was proved wrong: an atom can be further subdivided into protons, neutrons and electrons. However an atom is the smallest particle that takes part in chemical reactions. According to Dalton, the atoms of same element are similar in all respects.

Answer 2

Answer:

Drawbacks of Dalton's atomic theory:

• Atom can be divided into subatomic particles that is electron , proton and neutrons.

• Atoms of same element sometimes differ in mass and sizes. These diff rents types of same elements are named as isotopes.

• Atoms of different elements differ in all aspects but calcium and argon has same atomic mass.These types of atom are termed as isobars.

• According to him elements combines with each other in whole number to form a compounds which was not observed in complex organic molecules.

• His theory was not able to explain existence of allotropes.

Explanation:

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