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- 1. Multiple ChoiceThis is the most basic unit of matter:protonsneutronsatomselectrons
- 2. Multiple ChoiceParticles that are "below" the size of an atom are referred to as:extremely small particlesprotonssubatomic particlesparticles
- 3. Multiple ChoiceWhich atom structure is responsible for the mass of the atom?cloud of negativitynucleuselectron cloudbig cloud of nothing
- 4. Multiple ChoiceWhat subatomic particle controls the identity of an atom?electronsprotonsneutronsquark
- 5. Multiple ChoiceThis neutrally charged particle is located in the nucleus of an atom:negatronneutronprotonelectron
- 6. Multiple ChoiceWhich two subatomic particles are responsible for the average atomic mass of atoms?protons and electronsneutrons and electronsnegatrons and quarksprotons and neutrons
- 7. Multiple ChoiceWhat on the periodic table tells me the number of protons and electrons in a neutral atom?Atomic mass numberchemical symbolAtomic numberchemical name
- 8. Multiple ChoiceAccording to the history of the atom there are how many different models of the atom?twofourfivesix
- 9. Multiple ChoiceWhich scientist was responsible for the plum pudding atomic model?DemocrotisThomsonRutherfordBohr
- 10. Multiple ChoiceWhich scientist performed the gold foil experiment?DaultonThomsonBohrRutherford
- 11. Multiple ChoiceThis subatomic particle has a negative charge:protonneutronelectronquark
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