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- 1. Multiple Choice
Subatomic particles with a negative charge
Electrons
Neutrons
Protons
Quarks
- 2. Multiple Choicesubatomic particles found on the outermost shell & responsible for the atom's reactivityneutronsvalence electronsisotopesions
- 3. Multiple ChoiceSubatomic particles with a positive chargeneutronsatomic massprotonsisotopes
- 4. Multiple ChoiceMeasure mainly of the nuclear particles: protons + neutronsSubatomic ParticlesAtomic NumberAtomic MassGluons
- 5. Multiple ChoiceValue representing the number of protons in an elementAtomic MassMass NumberValence ElectronsAtomic Number
- 6. Multiple ChoiceSubatomic particles that are neutral in chargeNeutronsProtonsNucleusElectrons
- 7. Multiple ChoiceAtoms of the same element with a different number of neutronsIonGluonsIsotopeQuarks
- 8. Multiple ChoiceA charged atomIonIsotopeElectron CloudQuark
- 9. Multiple ChoiceThe smallest particle of an element that shows all the properties of that element.Subatomic ParticlesAtomQuarksGluons
- 10. Multiple ChoiceWhere electrons are likely to be found as they travel around the nucleusNucleusElectron CloudWithin a ProtonWithin a Neutron
- 11. Multiple ChoiceA tiny but very dense, positively charged portion of the atom that holds most of the atomic massElectron ShellsOrbitalsElectron CloudNucleus
- 12. Multiple ChoiceArrangement of elements organized by atomic numberElectron CloudPeriodic TableElectron ConfigurationNone of these
- 13. Multiple ChoiceBelieved that atoms of the same element are identical to each otherBohrRutherfordDaltonThomson
- 14. Multiple ChoiceCalculation used to find the number of neutrons in an atomAtomic Mass - Atomic NumberAtomic Number - Atomic MassAtomic Mass - Electronsnone of these
- 15. Multiple ChoiceThe only element with no neutrons in its nucleus.OxygenHeliumHydrogenLithium
- 16. Multiple ChoiceWho stated that atoms cannot be divided?DemocritusDaltonThomsonBohr
- 17. Multiple Choice
What contribution did John Dalton make to atomic theory?He discovered that every atom was positively charged.He discovered that every element consisted of one type of atom that couldn't be divided.He discovered that atoms had nuclei.He discovered that atoms could be divided into smaller parts. - 18. Multiple ChoiceThe first person to propose a theory about an atom called the Atomos Theory wasDemocritusRutherfordDaltonAristotle
- 19. Multiple ChoiceThe scientist responsible for "discovering" the nucleus is:BohrRutherfordSchroedingerEinstein
- 20. Multiple ChoiceThis is the simplest of all atoms and contains only one proton and one electronOxygenHydrogenWater
- 21. Multiple ChoiceAll matter is made of what?energyatomselectronscompounds
- 22. Multiple ChoiceWho stated that all atoms of the same element are excacty alike?DemocritusDaltonThomsonBorh
- 23. Multiple ChoiceWhat contribution did John Dalton make to atomic theory?He discovered that every atom was positively charged.He discovered that every element consisted of one type of atom.He discovered that atoms had nuclei.He discovered that atoms could be divided into smaller parts.
- 24. Multiple ChoicePeople have always agreed that matter is made of atoms.TrueFalse
- 25. Multiple ChoiceAn atom's overall charge is ________.positivedependsneutralnegative
- 26. Multiple ChoiceWhat does the nucleus of an atom contain?Electrons and neutronsProtons and neutronsNeutrinos and positronsDNA and RN
- 27. Multiple ChoiceTrue or False: The majority of an atom is made up of empty spaceTrueFalse
- 28. Multiple ChoiceContributes basically no mass to an atom.protonsneutronselectronsprotons and neutrons
- 29. Multiple ChoiceThe majority of an atom's mass exists where?In the nucleusIn the electron cloudIn the space between the nucleus and the electronsIn the neutrons
- 30. Multiple ChoiceThe word atom comes from a Greek word "atomos" that meansInvisibleIndivisibleUndividedIndestructable
- Answer choicesTagsAnswer choicesTags