Chemistry
According to the Dalton's Atomic Theory, atoms of the same element are identical in all respects. But according to the Modern Atomic Theory, this postulate is proved wrong. Explain.
Atomic Structure
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Answer
According to modern atomic theory atoms of the same element may not be alike in all respect as seen in case of isotopes which are atoms of the same element having same atomic number but different mass numbers.
e.g. isotopes of chlorine and have different atomic masses 35 and 37. This proves Dalton's Atomic Theory wrong.
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