问题标题:
【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】
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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