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4.下列有關(guān)說(shuō)法正確的是                                                                                      (    )

       A.物質(zhì)熔沸點(diǎn)的高低順序是:晶體硅>氯化鈉>冰>氖氣

       B.微粒半徑由小到大順序是:H-<Li+<H+

       C.溶液中結(jié)合H+能力由強(qiáng)到弱的順序是:SO2-4>H2PO-4>CH3COO->HCO-3

       D.CO2、HClO、CF4、PCl3四種物質(zhì)分子中所有原大都滿足最外層為8電子的穩(wěn)定結(jié)構(gòu)

試題詳情

3.下列說(shuō)法正確的是                                                                                             (    )

       A.明礬凈水過程中不涉及化學(xué)變化

       B.由同種元素組成的物質(zhì)一定是純凈物

       C.風(fēng)化、石油分餾和碘的升華都是物理變化

       D.在化學(xué)反應(yīng)中,反應(yīng)前后原子種類、數(shù)目和質(zhì)量一定不變

試題詳情

       D.Pu的原子質(zhì)量是12C原子質(zhì)量的238倍

試題詳情

2.探測(cè)冥王星(Pluto)的“新地平線(New Horizons)”號(hào)具有10.9kg钚―238(Pu)燃料的核電池系統(tǒng),核電池是由輻射β射線(高速電流)的放射源,收集這些電子的集電器,以及兩者之間的絕緣體三部分組成。下列有關(guān)說(shuō)法正確的是                                                     (    )

       A.钚電池是將核能轉(zhuǎn)化為電能

       B.核燃料是可再生能源

       C.放射源一端為正極,集電器一端為負(fù)極

試題詳情

1.2003年,IUPAC(國(guó)際純粹與應(yīng)用化學(xué)聯(lián)合會(huì))推薦原子序數(shù)為110的元素的符號(hào)為Ds,以紀(jì)念該元素的發(fā)現(xiàn)地(Darmstadt,德國(guó))。下列關(guān)于Ds的說(shuō)法不正確的是          (    )

       A.Ds原子的電子層數(shù)為7                      B.Ds是超鈾元素

       C.Ds原子的質(zhì)量數(shù)為110                     D.Ds為金屬元素

試題詳情

30.

A[海洋地理]

(1)             。(1分)

(2)                   ;                    。(2分)

(3)             ,                                                      。(3分)

(4)                 、                      

                             、                                      。(4分)

B [城鄉(xiāng)規(guī)劃]

(1)              ,                                                    

                                                                 。(3分)

(2)           ,                      。

                                                                    。(5分)

(3)                                                                   。(2分)

C[旅游地理]

(1)                                                               。(2分)

(2)        ,                                                     。(3分)

(3)                                                                

                                                                 。(3分)

(4)               (2分)

  D[環(huán)境保護(hù)]

(1)                                                                     。(4分)

(2)                                                                       

                                                                          

                                                                      (3分)

(3)                                                                       

                                                                          

                                                                      (3分)

 

 

 

 

 

江蘇省南京市2009屆高三第二次調(diào)研測(cè)試

試題詳情

29.(1)                   

 (2)                                     ,                                 。

(3)                                                                          

                                                                         

(4)                                                                         

                                                                              

                                                                               

試題詳情

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試題詳情

4.(3分)

試題詳情

3.                                  ,                                   (4分)

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