It Was First Discovered That Atoms Have a Nucleus When

question 40

Multiple Choice

It was first discovered that atoms have a nucleus when

• A) scientists photographed the nucleus of uranium.
• B) Einstein hypothesized the existence of the nucleus in 1915.
• C) some alpha particles were deflected by gold nuclei in Rutherford's experiment.
• D) experiments showed that electrons must have a charge balance at an atom's center.
• E) Rutherford split the nucleus of uranium atoms.

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