一章结构与接合简答1mcmurry oc8e ev ch01.pdfVIP

Chapter1—StructureandBonding

SHORTANSWER

1.Givetheground-stateelectronconfigurationforcarbon(atomicnumber6).

ANS:

1s2211222

2s2px2pyor1s2s2p

2.Givetheground-stateelectronconfigurationforfluorine(atomicnumber9).

ANS:

1s22221225

2s2px2py2pzor1s2s2p

3.Givetheground-stateelectronconfigurationformagnesium(atomicnumber12).

ANS:

1s2262

2s2p3s

4.Howmanyelectronsdoessiliconhaveinitsvalences?

ANS:

four

Exhibit1-1

WritevalidLewis(electron-dot)structuresforeachformulabelow.Showallelectronsasdotsand

showallnon-bondingelectrons.

5.C2Cl4tetrachloroethylene

ANS:

6.CO2carbondioxide

ANS:

7.CH4Omethanol

1

StructureandBonding

ANS:

Exhibit1-2

Considerthestructureofurea,shownbelow,toanswerthefollowingquestion(s).

8.RefertoExhibit1-2.Fillinanynon-bondingvalenceelectronsthataremissingfromthe

line-bondstructure.

ANS:

9.RefertoExhibit1-2.Thecarbonatominureais:

3

a.sphybridized

b.sp2hybridized

c.sphybridized

d.nothybridized

ANS:

b

10.RefertoExhibit1-2.ThepredictedNH−C=Obondangleinureais:

2

a.109.5°

b.120°

c.180°

d.notpredictable

ANS:

b

2

Chapter1

Exhibit1-3

Determhehybridizationfortheindicatedatomsineachstructurebelow.

11.RefertoExhibit1-3.Thehybridizationofthisoxygenatom(A)is______.

ANS:

2

sp

12.RefertoExhibit1-3.Thehybridizationofthisoxygenatom(B)is______.

ANS:

3

sp

13.Re