Chemistry

Chemistry, 08.07.2019 13:20, ewinter13

What was the first part of an atom to be discovered

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Chemistry, 30.06.2019 15:00, misswonderless

What was the significance of rutherford's experiment? a. he discovered that not all atoms were the same size. b. he discovered that alpha particles did not bounce off of electrons. c. he discovered that the atom was mostly made up of empty space. d. he discovered that atoms contained positive and negative charges.

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How did thomson our understanding of the atom? a. he discovered that the atom contained smaller particles called electrons. b. he discovered that the atom contained a positive center and negative electrons. c. he discovered that electrons circled around the nucleus in orbits. d. he discovered that an atom's mass was found in the nucleus

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Chemistry, 05.10.2019 13:30, Samonerob2002

What was ernest rutherford's contribution to our understanding of atomic structure? a.) he discovered the existence of a center to the atom. b.) he discovered the mass of the electron. c.) he discovered the electron. d.) he discovered the neutron.

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Physics, 14.11.2019 22:31, AM28

Match the following: part a 1. emitted from a cathode-ray tube 2. discovered the neutron 3. discovered the electron electrons 4. postulated the quantum atom 5. discovered the proton nucleus 6. father of atomic theory 7. location of most of the mass of the atom part b a. rutherford b. bohr c. dalton d. chadwick e. j. j. thomson

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