How did Thomson's experiment change Dalton's atomic model?
A. Thomson discovered that atoms changed properties when put in
an electric field.
B. Thomson discovered that atoms did not rearrange when forming
compounds.
C. Thomson discovered that atoms of one kind of element could
have different masses.
D. Thomson discovered that the atom contained smaller particles
called electrons.

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Answer:

D. thomson discovered that the atom contains smaller particles called electrons

Answer:

thomson discovered that the atom contains smaller particles called electrons

Explanation:

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