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Chemistry, 08.04.2020 00:56 ninilizovtskt

Why did Thomson's discovery of the electron mean that new hypotheses needed to be
developed to explain atoms?
A It showed that the atom was made up of smaller particles.
B It showed that the atom has an electric charge.
C It showed that atoms are not the basic component of an element.
D It showed that atoms have a nucleus surrounded by electrons.

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