【一道英文化学题,大概高三到大二的难度tellmewhichoneeveruknowplease:justtellmewhythey'retherightanswercausethey'retheanswerkey1.whichsubstancecanbedescribedascationbondedtogetherbymobileelectrons?B.Ag(s)10】

　　一道英文化学题,大概高三到大二的难度

　　tellmewhichoneeveruknowplease:

　　justtellmewhythey'retherightanswercausethey'retheanswerkey

　　1.whichsubstancecanbedescribedascationbondedtogetherbymobileelectrons?

　　B.Ag(s)

　　10.youaregiventhefollowingboilingpointdata:whichoneofthebelowliquidwouldyouexpecttohavehighestvaporpressureatroomtempature

　　a.diethylether34.5C

　　b.ethyleneglycol198C

　　c.methanol64.96C

　　d.ethanol78.5C

　　e.water100C

　　3.whichoneofthefollowingstatementsaboutsolidCuisincorrect?

　　a.thesolidhasacubiccloset-packedstructure

　　4.themoleculeinasampleofsolidSO2areattractedtoeachotherbycombinationof

　　b.londonforcesanddipole-dipoleinteraction

　　知道一个也可以

　　补充：第3个答案是A

　　如果可以,请用英文回答.