Which of the following postulates of Dalton's atomic theory is challenged by the next generation of scientists?

  • A
    All matter is made of very tiny particles called atoms.
  • B
    Atoms are indivisible particles,which cannot be created or destroyed in a chemical reaction.
  • C
    Atoms of a given element are identical in mass and chemical properties.
  • D
    Atoms combine in the ratio of small whole numbers to form compounds.

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