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- 1. Multiple Choice
What experiment was used to discover the nucleus?
Cathode Ray Tube
Gold Foil
Chromatography
Gel Electrophorese
- 2. Multiple Choice
What experiment was used to discover electrons?
Cathode Ray Tube
Gold Foil
Chromatography
Gel Electrophorese
- 3. Multiple Choice
Who discovered electrons?
Rutherford
Bohr
J.J. Thompson
Democritus
- 4. Multiple Choice
Millikan's oil drop experiment could find:
charge-to-mass ratio of electron
Mass of the electron
Velocity of an electron
charge of an electron.
- 5. Multiple Choice
Who discovered the neutron?
JOSEPH JOHN THOMSON
ERNEST RUTHERFORD
NEILS BOHR
JAMES CHADWICK
- 6. Multiple Choice
Who discovered electrons?
Rutherford
Bohr
J.J. Thompson
Democritus
- 7. Multiple Choice
What is a particle with one negative charge called?
electron
proton
quark
neutron
- 8. Multiple ChoiceErnest Rutherford discovered that the atom was mostly _________________ and has a _______________ charged nucleus.empty space, positivelyempty space, negativelyfull of protons, positivelyfull of neutrons, negatively
- 9. Multiple Choice
Where are the electrons located?
o outside the nucleus
o inside the nucleus
o in the middle of the atom
o in areas that contribute to the atom's mass
- 10. Multiple Choice
Which charge is POSITIVE?
Proton
Neutron
Electron
Cell
- Answer choicesTagsAnswer choicesTags