04. Modification of Dalton's Atomic Theory
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(Present Status of Dalton's Atomic Theory)
- Atoms are no longer considered as indivisible particles. Since sub-atomic particles like electron, proton, neutron etc. are present in atoms.
- Atoms of same element may not be identical in all aspects due to the presence of isotopes.
- Atoms of different element can also have some similarities.
- According to Eienston, E=MC2. This shows that mass is destructible. i.e., atoms can also be destroyed.
- Atoms of same element may not be identical in all aspects due to the presence of isotopes.
- In some compounds, atoms are formed to be combined in fration.