Test Bank for Campbell Biology in Focus, 3rd Edition by Lisa A. Urry.pdf

,DOWNLOAD THE Test Bank for Campbell Biology in Focus 2nd Edition Urry
x x x x x x x x x x x




Campbellx Biologyx inx Focus,x 2ex (Urry)x Chapte
rx 2x Thex Chemicalx Contextx of x Life

2.1 Multiple-Choicex Questions

1) About x 20-
25%x of x thex 92xnaturalx elementsx arex knownxtoxbexessentialx toxlife.x Whichx fourx of x thesex element
sx makex upx approximatelyx 96%x of x livingx matter?
A) carbon,x sodium,x hydrogen,x nitrogen
B) carbon,x oxygen,x phosphorus,x hydrogen
C) oxygen,x hydrogen,x calcium,x nitrogen
D) carbon,x hydrogen,x nitrogen,x oxygen
E) carbon,xoxygen,xnitrogen,xcalciumx
Answer:x D
Topic:x Concept x 2.1
Skill:x Knowledge/Comprehensionx
Learningx Outcome:x 2.1

2) Tracex elementsx arex thosex required x byx anx organismx inx onlyxminutex quantities.x Whichx ofxthex f
ollowingx isx ax tracex element x that x isx required x byx humansx and x otherx vertebrates?
A) nitrogen
B) calcium
C) iodine
D) sodium
E) phosphorus
x Answer:x C

Topic:x Concept x 2.1
Skill:x Knowledge/Comprehensionx
Learningx Outcome:x 2.1

3) Tracex elementsx arex thosex required x byx anx organismx inx onlyxminutex quantities.x Whichx ofxthex f
ollowingx isx ax tracex element x that x isx required x byx allx organisms?
A) iron
B) calcium
C) iodine
D) sodium
E) potassium
x Answer:x A

Topic:x Concept x 2.1
Skill:x Knowledge/Comprehensionx
Learningx Outcome:x 2.1




1
Copyright x©x 2016 x Pearson xEducation,xInc.
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,DOWNLOAD THE Test Bank for Campbell Biology in Focus 2nd Edition Urry
x x x x x x x x x x x




4) Whichx of x thex followingx isx primarilyxresponsiblex forx thex uniquex chemicalx propertiesx of x eachxe
lement?
A) Eachx element x hasx ax uniquex atomicx mass.
B) Eachx element x hasx ax uniquex atomicx number.
C) Eachx element x hasx ax uniquex numberx of x protons.
D) Eachx element x hasx ax uniquex numberx of x neutrons.
E) Eachx element xhasxuniquexradioactivexproperties.x
Answer:x C
Topic:x Concept x 2.2
Skill:x Knowledge/Comprehensionx
Learningx Outcome:x 2.2

5) Fromx thex atomicx mass,x onex canx deducex thex numberx of x inx eachx atomx of x anx element.
A) protons
B) neutrons
C) electrons
D) protonsx plusx electrons
E) protonsxplusxneutronsx
Answer:x E
Topic:x Concept x 2.2
Skill:x Application/Analysisx Learnin
gx Outcome:x 2.2

6) Inx what x wayx arex elementsx inx thex samex columnx of x thex periodicx tablex thex same?
A) Theyx havex thex samex numberx of x protons.
B) Theyx havex thex samex numberx of x neutrons.
C) Theyx havex thex samex numberx of x electrons.
D) Theyxhavex thex samex numberx of x electronsx inx theirx valencex shell.
E) Theyxhavex thex samex numberx of x electronx shells.x
Answer:x D
Topic:x Concept x 2.2
Skill:x Knowledge/Comprehensionx
Learningx Outcome:x 2.2

7) Inx what x wayx arex elementsx inx thex samex row x of x thex periodicx tablex thex same?
A) Theyx havex thex samex numberx of x protons.
B) Theyx havex thex samex numberx of x neutrons.
C) Theyx havex thex samex numberx of x electrons.
D) Theyxhavex thex samex numberx of x electronsx inx theirx valencex shell.
E) Theyxhavex thex samex numberx of x electronx shells.x
Answer:x E
Topic:x Concept x 2.2
Skill:x Knowledge/Comprehensionx
Learningx Outcome:x 2.2




2
Copyright x©x 2016 x Pearson xEducation,xInc.
mynursytest.store

, DOWNLOAD THE Test Bank for Campbell Biology in Focus 2nd Edition Urry
x x x x x x x x x x x




8) Thex nucleusx of x ax nitrogenx atomxcontainsx 7xneutronsxandx7x protons.x Whichx ofxthex followingx isx ax c
orrect x statement x concerningx nitrogen?
A) Thex nitrogenx atomx hasx ax massx numberx of x 7x and x anx atomicx numberx of x 14.
B) Thex nitrogenx atomx hasx ax massx numberx of x 14x and x anx atomicx numberx of x 7.
C) Thex nitrogenx atomx hasx ax massx numberx of x 14x and x anx atomicx numberx of x 14.
D) Thex nitrogenx atomx hasx ax massx numberx of x 7x and x anx atomicx numberx of x 21.
E) Thex nitrogenx atomx hasx ax massx numberx of x14xand x anx atomicx numberx of x 21.x
Answer:x B
Topic:x Concept x 2.2
Skill:x Knowledge/Comprehensionx
Learningx Outcome:x 2.2

9) Forx elementsx inx thex first x threex rowsxofxthexperiodicx table,x thex positionxof x anx element x inx thex row x i
ndicatesx whichx of x thex following?
A) thex totalx numberx of x electronsx inx thex element
B) thex totalx numberx of x protonsx inx thex element
C) thex totalx numberx of x neutronsx inx thex element
D) thex numberx of x electronx orbitalsx inx thex element
E) thex numberx of x electronsxinx thex valencex shellx
Answer:x E
Topic:x Concept x 2.2
Skill:x Knowledge/Comprehensionx
Learningx Outcome:x 2.2

10) Thex chemicalx behaviorx of x anx atomx dependsx primarilyx uponx whichx of x thex following?
A) thex numberx of x neutronsx inx thex nucleus
B) thex numberx of x protonsx inx thex nucleus
C) thex numberx of x electronsx inx thex valencex shell
D) thex totalx numberx of x electronsx contained x byx thex atom
E) thex numberx of x electronxshellsx contained xbyxthex atomx
Answer:x C
Topic:x Concept x 2.2
Skill:x Knowledge/Comprehensionx
Learningx Outcome:x 2.2




3
Copyright x©x 2016 x Pearson xEducation,xInc.
mynursytest.store