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發表於:2022-08-18
問題詳情:下列關於鹼金屬的敍述中正確的是()A.K能從LiCl的溶液中置換出LiB.隨着原子序數的遞增,單質與水反應的劇烈程度減弱C.隨着原子序數的遞增,單質熔點逐漸降低D.Cs2CO3受熱易分解【回答】C...
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發表於:2019-05-20
問題詳情:以下比較中正確的是A.微粒半徑:O2-<F-<Na+<Li+B.電負*:Li<Na<K<RbC.分子中的鍵角:CH4>H2O>CO2D.共價鍵的鍵能:C—C>C—Si>Si—Si【回答】D知識點:化學鍵題型:選擇題...
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發表於:2018-02-03
Shewilleverbeassociatedwiththewomen'slib.I'mnotadvocatingthatwesacrificeourselvesonthealtarofbravadoandwomen'slibbutisn'tittimetogivetheblamebackwhereitbelongs?Inthes...
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發表於:2024-01-02
1、IvotedLibDem.2、ThisisnottheproportionalrepresentationofLibDemdreams.3、LotsoferstwhileLibDemvotersare"notveryrational",regretsaseniorMP.4、ButheknowsthatmanyLibDema...