A) How did Aristotle describe the composition of matter?
B) What was Dalton's important discovery?
C) What was Thompson's model of the atom?
(A)
According to Aristotle, the matter was made of Earth., Air, Fire, and Water.
(B)
According to Dalton, all matter is made of atoms which are indivisible and Indestructible.
(C)
According to Thompson's model of an atom, the atom consisted of positively charged part smeared over a spherical volume and electrons were embedded in it just like plums in a pudding. The positive charge was exactly equal to the negative charge(electrons) so that the atom was electrically neutral.
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