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【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】
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更新时间:2024-03-29 08:12:03
问题描述:

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.

刘正权回答:
  1BeacuseAg(s)normallyisametalwhichisconsitutedbycationandmobileelectronsatnormaltemperature.10ethyleneglycolHigherboilingtemperaturemeanshighervaporpressureatthesametempe...
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