黑龙江省鸡西市第十九中学2016_2017学年高一化学下学期期中试题理201901020171.doc

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1、 1 -黑龙江省鸡西市第十九中学 2016-2017 学年高一化学下学期期中试题 理一、单选题(本题共 20 个小题,每小题 3 分,共计 60 分)1、R 原子序数是 15,下列关于 R 元素的说法中,错误的是( )AR 的最高正化合价是+5 BR 的氢化物分子式是 RH5CR 是第 3 周期第A 族的元素 DR 的最高价氧化物对应的水化物呈酸性2、A、B、C 是周期表中相邻的三种元素,A 和 B 是同周期,B 和 C 同主族,三种元素最外层电子总数之和为 17,核内质子数之和为 31,则 A、B、C 三种元素是( )AMg、Al、B BLi、Be、Mg CN、O、S DO、F、Cl3、同

2、周期的X、Y、Z三种元素,其最高价的氧化物对应的水化物的酸性由弱到强的顺序是: H3ZO4 YZ B原子半径:XYZC原子的最外层电子数按X、Y、Z 的顺序由少到多D气态氢化物的稳定性:HXPN +6(4)N 222、 (8 分)(1)写出四种元素的元素符号:甲 O 乙 Ca 丙 Na 丁 Cl (2) Na 2O 和 Na 2O2 。(3) 离子化合物 23、 负极 氧化 Zn-2e -=Zn2+ Cu2+2e-=Cu 有气泡生成 Zn+ Cu 2+-=Cu+Zn2+ 氧化还原反应 24、 (4 分)吸收 92 k J 的热量。 (N三、计算题(8 分)25v(Z)=0.02mol/(Lmin) n=1

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