Chapter
h02hThe hChemical hBasis hof hLife hI: hAtoms, hMolecules, hand
hWater
Multiple hChoice hQuestions
1. The hatomic hnumber hof han hatom his
A. the hnumber hof hprotons hin hthe hatom.
B. the hnumber hof hneutrons hin hthe hatom.
C. the hnumber hof hprotons hand helectrons hin hthe hatom.
D. the hnumber hof hprotons hand hneutrons hin hthe hatom.
E. None hof hthese hchoices hare hcorrect.
3. With han hatomic hmass hof h16 hand han hatomic hnumber hof h8, hit hfollows hthat hoxygen
h h h hX has height helectrons.
h has h16 hneutrons.
h h h hX can hreadily hform hbonds hwith h2 hother hatoms.
h weighs h16 hgrams.
5. Ernest hRutherford's hkey hexperiment hon halpha hparticle hbombardment hof hgold
hfoil hwashimportant hto hthe hdevelopment hof
A. detection hmethods hfor hprotons.
B. alpha hparticle hemitters.
C. gold has han helement.
D. the hmodern hmodel hfor hatomic hstructure.
E. the hconcept hthat hatoms hhave ha hhomogenous hdistribution hof hprotons hthroughout hthe
hatom.
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