1.

Draw a diagram of Thomson's model of an atom. Why was it discarded ?

Answer»

SOLUTION :
The REASONS for discarding Thomson.s model:
(1) The arrangement of POSITIVE and negative charges as showm in the model was not possible because the opposite charges would attract each other and the atom as a whole would bc clectrically neutral.
(2) The arrangement shown in the model could not explain chemical PROPERTIES of different ELEMENTS.


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