MTL 200 - midterm questions with correct answers 2025

MTL 200 - midterm questions with correct
answers 2025
1)REnergyRTransitionR-RCORRECTRANSWERR-E=hv=hc/lambda



1)RstructuresR-RCORRECTRANSWERR-1.RsubatomicR(atomic)

2.RMicroscopicR(materials)

3.RMacroscopicR(canRbeRseenRex.Rbuilding)



1)RQuantumRmodelR-RCORRECTRANSWERR-
size,Rshape,RspatialRorientationRofRe'sRprobabilityRdensity



1)RPrimaryRbondingR-RCORRECTRANSWERR-ionic

covalent

metallic



(coulombic,Rshared,RseaRofRvalenceRe's)



1)RsecondaryRbondingR-RCORRECTRANSWERR-vanRderRWaals

hyrdogen



(electricRdimples,RdipoleRmoments,RelectrostaticRforces)



1)RelectronegativityR-RCORRECTRANSWERR-abilityRtoRattractRe,RbecomeRnegativelyRcharged

increaseRleftRtoRright,RandRbottomRtoRtopR(FR=RmostRelectronegative)



1)RstrongRtoRweakRforcesR-RCORRECTRANSWERR-ionic-covalent-metallic-vanRderRwaals-hydrogen

, 1)RmaterialsRclassificationR-RCORRECTRANSWERR-metals

ceramics

polymers

composites

semiconductors

Biomaterials



1)RmaterialsRscienceR-RCORRECTRANSWERR-searchRforRbasicRknowledge:

internalRstructures

properties

processingRofRmaterials



1)RmaterialsRengineeringR-RCORRECTRANSWERR-useRofRfundamentalRandRappliedRknowledge:

ofRmaterialsRthatRcanRbeR"converted"RintoRproductsRnecessaryRorRdesiredRbyRsociety



1)RmaterialsRstructureR-RCORRECTRANSWERR-
structureRdependsRonRarrangementRofRinternalRcomponentsR(sub,Rmicro,Rmacro)



1)RphotonRenergyR-RCORRECTRANSWERR-electromagneticRradiation



1)RquantumRnumbersR-RCORRECTRANSWERR-(n)RprincipleRQNR=R#RofRatomicRshellsRinRBohrRmodel

(l)RsubsidiaryRQNR=Rs,p,d,f-->R#RofRsubsRhellRinRmainRenergyRlevel

(ml)R=RmagneticRQNR=RspatialRorientationR

(ms)R=ReRspinRQNR=R2RallowedRspinRdirections