Question

Scientific discoveries are often built on the previous findings of other scientists. Millikan’s oil drop experiment occurred after Thompson’s cathode ray tube experiment. What did both of these experiments collectively determine about the atom’s subatomic structure? Check all that apply.

Answer 1

1 and 3

Step-by-step explanation:

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Answer 2

atoms contain negatively charged particles

the electron has a specific mass

Step-by-step explanation:

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