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anonymous

  • one year ago

3. J.J. Thomson experiments provided evidence that an atom, A.is the smallest particle of matter B. contains negatively changed particles C. has a negitive charge. D. has a postitive change 4. Who provided evidence for the existence of a nucleus in an atom? A. John Dalton B. J.J Thompson C. Democritus D. Ernest Rutherford

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  1. anonymous
    • one year ago
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    3. is B https://en.wikipedia.org/wiki/J._J._Thomson He concluded that the rays were composed of very light, negatively charged particles which were a universal building block of atoms.

  2. anonymous
    • one year ago
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    what about 4?

  3. anonymous
    • one year ago
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    and 4. is D https://en.wikipedia.org/wiki/Atomic_nucleus The atomic nucleus was discovered in 1911 by Ernest Rutherford based on the 1909 Geiger–Marsden gold foil experiment.

  4. anonymous
    • one year ago
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    ^_^ i hope this helped

  5. anonymous
    • one year ago
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    did you double check number 2 by chance?

  6. anonymous
    • one year ago
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    ok, what do you mean by number 2?

  7. anonymous
    • one year ago
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    number 4?

  8. anonymous
    • one year ago
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    or litterally number 2?

  9. anonymous
    • one year ago
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    @BeautifulYoungThug18

  10. anonymous
    • one year ago
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    literally number 2

  11. anonymous
    • one year ago
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    ok, yah, i did double check it, and i said it was A

  12. anonymous
    • one year ago
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    okay

  13. anonymous
    • one year ago
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    actually, can you ask number 2 again, i just want to make sure im thinking about the same question you are. :P

  14. anonymous
    • one year ago
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    yep, its A

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spraguer (Moderator)
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