CoursehTitle:hPAP14hCh
apterhNumber:h02
Questionhtype:hMultiplehChoice
1) Whatharehthehfourhmajorhelementshfoundhinhthehchemicalshthathcomprisehthehhumanhbody?
a) nitrogen,hoxygen,hcalcium,hsodium
b) hydrogen,hcarbon,hphosphorus,hcalcium
c) carbon,hhydrogen,hoxygenhandhnitrogen
d) oxygen,hnitrogen,hpotassium,hcalcium
e) potassium,hphosphorus,hsodium,hhydrogenh
Answer:hc
Difficulty:hEasy
StudyhObjectiveh1:hSOh2.1hDescribehthehmainhchemicalshofhthehhumanhbodyhandhthehstructureshofht
hehatoms,hions,hmolecules,handhcompounds.
StudyhObjectiveh2:hSOh2.1.1hIdentifyhthehmainhchemicalhelementshofhthehhumanhbody.hS
ectionhReferenceh1:hSech2.1hHowhMatterhishOrganized
2) Thehthreehtypeshofhsubatomichparticleshthatharehimportanthforhunderstandinghchemicalhreactionshi
nhthehhumanhbodyhare
a) neutrons,hquarks,handhmuons.
b) protons,hneutrons,handhelectrons.
c) muons,hpositons,handhneutrons.
d) electrons,hquarks,handhprotons.
e) positons,hprotons,handhneutrons.
Answer:hbhDiffi
culty:hEasy
StudyhObjectiveh1:hSOh2.1hDescribehthehmainhchemicalshofhthehhumanhbodyhandhthehstructureshofht
hehatoms,hions,hmolecules,handhcompounds.
StudyhObjectiveh2:hSOh2.1.1hIdentifyhthehmainhchemicalhelementshofhthehhumanhbody.hS
ectionhReferenceh1:hSech2.1hHowhMatterhishOrganized
3) Whichhofhthehfollowinghsubatomichparticleshhashahneutralhcharge?
a) neutron
,b) electron
c) proton
d) Bothhneutronhandhelectron.
e) Allhofhthesehchoices.
Answer:hahDiffi
culty:hEasy
StudyhObjectiveh1:hSOh2.1hDescribehthehmainhchemicalshofhthehhumanhbodyhandhthehstructureshofht
hehatoms,hions,hmolecules,handhcompounds.
StudyhObjectiveh2:hSOh2.1.2hDescribehthehstructureshofhatoms,hions,hmolecules,hfreehradicals,handhc
ompounds.
SectionhReferenceh1:hSech2.1hHowhMatterhishOrganized
4) Whathregionhofhanhatomhcontainshthehprotonshandhneutrons?
a) cloud
b) nucleus
c) element
d) ring
e) shellhA
nswer:hb
Difficulty:hEasy
StudyhObjectiveh1:hSOh2.1hDescribehthehmainhchemicalshofhthehhumanhbodyhandhthehstructureshofht
hehatoms,hions,hmolecules,handhcompounds.
StudyhObjectiveh2:hSOh2.1.2hDescribehthehstructureshofhatoms,hions,hmolecules,hfreehradicals,handhc
ompounds.
SectionhReferenceh1:hSech2.1hHowhMatterhishOrganized
5) Thehnumberhofhprotonshinhanhatomhishrepresentedhbyhanhelement’s
a) masshnumber.
b) atomichnumber.
c) atomichmass.
d) valencehnumber.
e) Nonehofhthesehchoices.
Answer:hbhDiffi
culty:hEasy
StudyhObjectiveh1:hSOh2.1hDescribehthehmainhchemicalshofhthehhumanhbodyhandhthehstructureshofht
hehatoms,hions,hmolecules,handhcompounds.
,StudyhObjectiveh2:hSOh2.1.2hDescribehthehstructureshofhatoms,hions,hmolecules,hfreehradicals,handhc
ompounds.
SectionhReferenceh1:hSech2.1hHowhMatterhishOrganized
6) Thehnucleushofhunstable ofhanhelementhwillhdecayhleadinghtohemissionhofhradiation.
a) compounds
b) cations
c) anions
d) isotopes
e) molecules
Answer:hdhDifficult
y:hMedium
StudyhObjectiveh1:hSOh2.1hDescribehthehmainhchemicalshofhthehhumanhbodyhandhthehstructureshofht
hehatoms,hions,hmolecules,handhcompounds.
StudyhObjectiveh2:hSOh2.1.2hDescribehthehstructureshofhatoms,hions,hmolecules,hfreehradicals,handhc
ompounds.
SectionhReferenceh1:hSech2.1hHowhMatterhishOrganized
7) Thishrefershtohahweightedhaveragehofhthehatomichweightshofhallhnaturallyhoccurringhisotopeshofha
nhelement.
a) masshnumber
b) atomichnumber
c) atomichmass
d) ionichmass
e) covalenthmassh
Answer:hc
Difficulty:hMedium
StudyhObjectiveh1:hSOh2.1hDescribehthehmainhchemicalshofhthehhumanhbodyhandhthehstructureshofht
hehatoms,hions,hmolecules,handhcompounds.
StudyhObjectiveh2:hSOh2.1.2hDescribehthehstructureshofhatoms,hions,hmolecules,hfreehradicals,handhc
ompounds.
SectionhReferenceh1:hSech2.1hHowhMatterhishOrganizedh
Questionhtype:hEssay
, 8) Brieflyhdescribehthehoctethrule.
Answer:
Difficulty:hMedium
StudyhObjectiveh1:hSOh2.2hExplainhhowhatomshformhmoleculeshandhcompounds,handhdescribehthehn
aturehofhthehvarioushtypeshofhbondshthathjoinhthem.
StudyhObjectiveh2:hSOh2.2.1hDescribehhowhvalencehelectronshformhchemicalhbonds.hSt
udyhObjectiveh3:hSOh2.2.2hDistinguishhamonghionic,hcovalent,handhhydrogenhbonds.hSe
ctionhReferenceh1:hSech2.2hChemicalhBonds
Solution:hOnehatomhishmorehlikelyhtohcombinehwithhanotherhatomhifhdoinghsohwillhleavehbothhat
omshwithheighthelectronshinhtheirhvalencehshells.
Questionhtype:hMultiplehChoice
9) Whichhofhthehfollowinghsubatomichparticlesharehsharedhbyhtwohatomshtohformhcovalenthbonds?
1. neutron
2. electron
3. proton
a) 1honly
b) 2honly
c) 3honly
d) 2h&h3honly
e)h1,h2h&h3
Answer:hbhDifficult
y:hMedium
StudyhObjectiveh1:hSOh2.2hExplainhhowhatomshformhmoleculeshandhcompounds,handhdescribehthehn
aturehofhthehvarioushtypeshofhbondshthathjoinhthem.
StudyhObjectiveh2:hSOh2.2.1hDescribehhowhvalencehelectronshformhchemicalhbonds.hSt
udyhObjectiveh3:hSOh2.2.2hDistinguishhamonghionic,hcovalent,handhhydrogenhbonds.hSe
ctionhReferenceh1:hSech2.2hChemicalhBonds
10) Whathishthehnamehgivenhtohahnegativelyhchargedhatom?
a) superoxide
b) isotope
c) catalyst
d) anion
e) cation