Why was dalton atomic theory modified
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because its no truly correct
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Reason for modification of Dalton atomic theory:
- As per the Dalton theory, atom is the ultimate particle but with discovery of radioactivity smaller particles than atom were found.
- Atoms cannot be created or destroyed, This declaration is still acceptable for common chemical reaction but the discovery of radioactivity revealed that atoms can be created or destroyed.
- The experiment of discharge tube prove the existence of charge particles.
- The discovery of isotopes. Isotopes are the substance which have the same atomic number but different mass number.
- The discovery of Nuclear reactions also went against the theory of Dalton.
- Atoms of various elements can mix in simple whole number ratio to form compound.
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