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- 1. Multiple Choice
proposed the solid sphere model for the atomJ.J ThompsonRutherfordJohn DaltonBohr - 2. Multiple Choicecalled the smallest particle of matter "atomos"DemocritusAristotleJ.J ThompsonDalton
- 3. Multiple ChoiceWho came up with this model of an atom?J.J. ThompsonErnest RutherfordNeils BohrJames Chadwick
- 4. Multiple Choiceparticle has a mass of 1 amu and has no chargeNeutronProtonElectron
- 5. Multiple ChoiceHe proposed the "plum pudding model of the atom.John DaltonNiels BohrErnest RutherfordJJ Thomson
- 6. Multiple Choiceperformed the Gold Foil ExperimentJ. J. ThomsonErnest RutherfordNeils BohrJohn Dalton
- 7. Multiple Choiceparticle has a mass of 0 amu and a negative chargeElectronProtonNeutron
- 8. Multiple Choicediscovered the charge of the electronDaltonThomsonRutherfordMillikan
- 9. Multiple Choiceperformed the Cathode Ray Tube experimentNiels BohrRobert MillikanJ. J. ThomsonErnest Rutherford
- 10. Multiple Choicesaid that "All atoms of an element are identical" in his Atomic TheoryDemocritusJohn DaltonJ. J. ThomsonNiels Bohr
- 11. Multiple Choiceparticle has a mass of 1 amu and a positive chargeElectronProtonNeutron
- 12. Multiple Choicediscovered the electronJ. J. ThomsonRobert MillikanNiels BohrErnest Rutherford
- 13. Multiple ChoiceWhat does the nucleus of an atom contain?Electrons and neutronsProtons and neutronsChromosomesDNA and RNA
- 14. Multiple Choiceperformed the Oil Drop ExperimentErnest RutherfordRobert MillikanJ. J. ThomsonNiels Bohr
- 15. Multiple ChoiceWhat did Rutherford expect to happen in his gold foil experiment?All of the alpha particles to bounce back.All of the alpha particles to go straight through.Most of the particles to bounce back.To change the gold atoms into a new element.
- 16. Multiple ChoiceWhat model of the atom do we use today?solid spherequantum mechanical modelplum pudding
- 17. Multiple Choiceatomic numberprotonsprotons + neutronselectronsprotons + neutrons + electrons
- 18. Multiple Choicean atom that has GAINED electronscationanion
- 19. Multiple Choicean atom that has LOST electronscationanion
- 20. Multiple Choicemass numberprotonsprotons + neutronsprotons + electronsprotons + neutrons + electrons
- 21. Multiple ChoiceIsotopes have the same number of protons and different numbers of ______.electronsneutronsnuclei
- 22. Multiple Choice"a weighted average of ALL isotopes of an element"mass numberisotope averageatomic massatomic number
- Answer choicesTagsAnswer choicesTags