mrcschroeder.wikispaces.comIV... · Web viewlithium atom consists of 3 protons, 4 neutrons, and 3...
Transcript of mrcschroeder.wikispaces.comIV... · Web viewlithium atom consists of 3 protons, 4 neutrons, and 3...
UNIT IV REVIEW PROBLEMS – ATOMIC PHYSICS
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UNIT 4 REVIEW SET
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263. A lithium atom consists of 3 protons, 4 neutrons, and 3 electrons. This atom contains a total of:
A. 9 quarks and 7 leptonsB. 12 quarks and 6 leptonsC. 14 quarks and 3 leptonsD. 21 quarks and 3 leptons
264. According to the standard model, a decay involves a transformation of quarks in whichA. a down quark changes into an antiup quarkB. an up quark changes into an antidown quarkC. a down quark changes into an up quarkD. an up quark changes into a down quark