河北省沧州市盐山中学2018_2019学年高一化学下学期周考试题（4.1_4.7，无答案）

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1、河北省沧州市盐山中学2018-2019学年高一化学下学期周考试题（4.1-4.7，无答案）(一)原子HHeNaMgAlCNOFAr（二）离子Na+Al3+O2-S2-Cl_NH4+OH-O22-H3O+（三）共价单质分子N2H2Cl2O2（四）共价化合物HClCH4H2OCO2H2O2HClOCCl4PCl3BF3N2H4C2H6C2H4C2H2（五）离子化合物NaOHNa2O2NH4ClNa2ONaClMgCl2____________CaO2LiHNaN3Ba(OH)2NaClOMg3N2NH4H（六）.用电子式表示下列离子化合物的形成过程(1

2、)BaCl2_______________________________________________________________________；(2)NaF________________________________________________________________________；-2-(3)MgS______________________________________________________________________；(4)K2O__________________________________

3、______________________________________。(5)NaCl___________________________________________________________________；(6)MgBr2____________________________________________________________________(7)Na2O______________________________________________________________，(8)CaBr2_________

4、____________________________________________________(9)KF________________________________________________________________________。（七）.用电子式表示下列共价分子的形成过程(1)H2：________________________________________________________________________；(2)N2：_________________________________________

5、_______________________________；(3)Cl2(4)H2O：________________________________________________________________________；(5)NH3：________________________________________________________________________。(6)HCl(7)CH4(8)CCl4-2-