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1. WhatSisStheSground-stateSelectronicSconfigurationSofSaScarbonSatom?
A) 1s2,S2s2,S2p5 B)S 1s2,S2s2,S2p2 C)S 1s2,S2s2,S2p6 D)S 1s2,S2s2,S2p4
2. WhatSisStheSground-stateSelectronicSconfigurationSofSaSfluorineSatom?
A) 1s2,S2s2,S2p2 B)S 1s2,S2s2,S2p3 C)S 1s2,S2s2,S2p4 D)S 1s2,S2s2,S2p5
3. WhatSisStheSground-stateSelectronicSconfigurationSofSaSmagnesiumScationS(Mg2+)?
A) 1s2,S2s2,S2p6 C) 1s2,S2s2,S2p6,S3s2
B) 1s2,S2s2,S2p6,S3s1 D) 1s2,S2s2,S2p6,S3s2,S3p2
4. WhatSisSthe’ground-stateSelectronicSconfigurationSofSaSchlorineSanionS(Cl—)?
A) 1s2,S2s2,S2p6 C) 1s2,S2s2,S2p6,S3s2,S3p5
B) 1s2,S2s2,S2p6,S3s2,S3p6 D) 1s2,S2s2,S2p6,S3s2,S3p4
5. WhichSof’theSfollowingSstatementsSaboutSvalenceSelectronsSisStrue?
A) TheySareStheSmostStightlySheldSelectrons.
B) TheySdoSnotSparticipateSinSchemicalSreactions.
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C) TheySareStheSoutermostSelectrons.
D) TheySrevealStheSperiodSnumberSofSaSsecond-rowSelement.
6. WhichSofStheSfollowingSstatementsSaboutSbondingSisStrue?
A) CovalentSbondsSresultSfromStheStransferSofSelectronsSfromSoneSelementStoSanother.
B) IonicSbondsSresultSfromStheStransferSofSelectronsSfromSaSmetalStoSaSnon-metal.
C) IonicSbondsSresultSfromStheSsharingSofSelectronsSbetweenStwoSnon-metals.
D) CovalentSbondsSresultSfromStheSsharingSofSelectronsSbetweenStwoSmetals.
7. WhichSofStheSfollowingSwouldSyouSexpectStoShaveSionicSbonds?
A) CO B)S FBr C)S NF3 D)S NaCl
8. WhichSof’theSfollowingSmoleculesShasSnonpolar’covalentSbonds?
A) HCl B)S N2 C)S CHCl3 D)S NO
9. WhichSofStheSfollowingSmoleculesScontainSbothScovalentSandSionicSbonds?
A) I,SII B)S I,SIV C)S II,SIII D)S II,SIV
10. ArrangeStheSfollowingSbondsSinSdecreasingSorderSofSionicScharacter,SputtingStheSm
ostSiSonicSfirst.
A) IS>SIIS>SIIIS>SIV C) IVS>SIIIS>SIIS>SI
B) IVS>SIIS>SI’>SIII D) IVS>SII’>SIII’>SI
11. WhichSofSthe’followingSstatementsScorrectlySdescribesStheStypicalSnumberSofSbondsS
for’S carbon,Snitrogen,SandSoxygenSinSmostSneutralSorganicSmolecules?
A) CarbonSformsS4’covalentSbonds,SnitrogenSformsS2ScovalentSbondsSandSoxygenSfor
msS3ScovalentSbonds.
B) Carbon’formsS4’covalentSbonds,SnitrogenSformsS3ScovalentSbondsSandSoxygenSfor
msS2ScovalentSbonds.
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