Which of the following is not a part of Dalton's atomic theory?

All matter is composed of indivisible atoms.

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The properties of atoms of the same element can be different.

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Compounds form when atoms combine in whole number ratios.

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An atom can neither be created nor destroyed.

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Solution

The correct option is B The properties of atoms of the same element can be different.
One of the postulates of Dalton's atomic theory is - "All atoms of the same element are identical in shape, mass and other properties".
Hence, the properties of the atoms of the same element cannot be different.

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Similar questions

Which of the following are true according to Dalton’s Atomic Theory?

(i) Atoms can neither be created nor destroyed in a chemical reaction.

(ii) Atoms of different elements have different masses and chemical properties.

(iii) Atoms can be broken down into smaller parts like Protons,Electons And Neutons .

(iv) Atoms of an element have variable chemical properties depending on the Chemical reactions

(v) The relative number and kinds of atoms vary in a given compound.

(vi) Atoms combine in the ratio of small whole numbers to form Compounds.

Which of the following is/are not a characteristic of atom suggested by John Dalton?

i. An atom is the smallest particle which cannot be divided further into smaller particles.

ii. Atoms of all the different elements are identical.

iii. Atoms can neither be created nor be destroyed.

iv. Atoms take part in Chemical Reaction.

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