Question

What is mean by Isotopes and lsobars?

Answer 1

• Dalton's atomic theory said that all the atoms of an element have exactly the same mass. But it is known that atoms of the same element can have slightly different masses, as in case of isotopes.

• Dalton's atomic theory said that all the atoms of different elements have different masses . But it is known that even atoms of different elements can have the same mass, as in case of isobars.

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