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- 1. Multiple Choice
Subatomic particles with a negative charge
Electrons
Neutrons
Protons
Quarks
- 2. Multiple ChoiceSubatomic particles with a positive chargeneutronsatomic massprotonsisotopes
- 3. Multiple ChoiceMeasure mainly of the nuclear particles: protons + neutronsSubatomic ParticlesAtomic NumberAtomic MassGluons
- 4. Multiple ChoiceValue representing the number of protons in an elementAtomic MassMass NumberValence ElectronsAtomic Number
- 5. Multiple ChoiceSubatomic particles that are neutral in chargeNeutronsProtonsNucleusElectrons
- 6. Multiple ChoiceThe smallest particle of an element that shows all the properties of that element.Subatomic ParticlesAtomQuarksGluons
- 7. Multiple ChoiceWhere electrons are likely to be found as they travel around the nucleusNucleusElectron CloudWithin a ProtonWithin a Neutron
- 8. Multiple ChoiceA tiny but very dense, positively charged portion of the atom that holds most of the atomic massElectron ShellsOrbitalsElectron CloudNucleus
- 9. Multiple ChoiceArrangement of elements organized by atomic numberElectron CloudPeriodic TableElectron ConfigurationNone of these
- 10. Multiple ChoiceDiscovered the nucleus of the atom through the Gold Foil ExperimentRutherfordChadwickThomsonDalton
- 11. Multiple ChoiceDiscovered the electron within the atomThomsonChadwickSchrodinger & HeisenbergDalton
- 12. Multiple ChoiceCreated the Planetary Model of the atomBohrDaltonRutherfordChadwick
- 13. Multiple ChoiceCalculation used to find the number of neutrons in an atomAtomic Mass - Atomic NumberAtomic Number - Atomic MassAtomic Mass - Electronsnone of these
- 14. Multiple ChoiceWho stated that atoms cannot be divided?DemocritusDaltonThomsonBohr
- 15. Multiple ChoiceIn an atom, electrons move in definite orbits around the nucleus.ThomsonRutherfordBohrDemocritus
- 16. Multiple Choice
What scientist is best known for his "Plum Pudding" model of the atom?J.J. ThomsonErnest RutherfordJohn DaltonDemocritus - 17. Multiple ChoicePlace the following scientists in order, from earliest to latest:
Rutherford, Dalton, Bohr, ThomsonDalton, Rutherford, Bohr, ThomsonThomson, Dalton, Rutherford, BohrDalton, Thomson, Rutherford, BohrBohr, Dalton, Rutherford, Thomson - 18. Multiple ChoiceRutherford's gold foil experiment provided evidence that...negative and positive charges are spread evenly throughout the atom.alpha particles have a positive charge.gold is not a dense as previously thought.there is a dense positively charged nucleus at the center of an atom.
- 19. Multiple ChoiceThe first person to propose a theory about an atom called the Atomos Theory wasDemocritusRutherfordDaltonAristotle
- 20. Multiple ChoiceWho discovered the nucleus using the gold foil experiment?DemocritusRobert MillikanJames ChadwickErnest Rutherford
- 21. Multiple ChoiceWho's model is this?MillikanRutherfordThomsonBohr
- 22. Multiple ChoiceHow did each model of the atom help to develop the atomic theory?Each model provided opinions that were added.Each model showed different properties of the same structure.Each model showed new particles that had been discovered.Each model built upon the other to show new particles or properties of previously discovered particles.
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