配套习题- 同周期元素非金属性递变规律 -【青果学院】

1/5多选题

难度：

1.同周期的X、Y、Z三种元素，已知如下关系：HXO₄、H₂YO₄、H₃ZO₄的酸性依次减弱，则下列判断正确的是

A	原子半径X最大Z最小
B	非金属性X最强Z最弱
C	气态氢化物的稳定性HX最强
D	三种元素的原子得电子形成阴离子，X^-的还原性最强

正确答案：QixD

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2/5单选题

难度：

2.能说明A元素的非金属性比B元素的非金属性强的是

A	A原子得到电子的数目比B原子少
B	A元素的最高正价比B元素的最高正价要高
C	气态氢化物溶于水后的酸性：A比B强
D	A单质能与B的氢化物水溶液反应，生成B单质

正确答案：RA==

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

3/5单选题

难度：

3.下列各组气态氢化物的稳定性按由强到弱的顺序排列的是

A	HI、HCl、H₂S、PH₃
B	PH₃、H₂S、HCl、HBr
C	HF、HCl、H₂S、SiH₄
D	NH₃、PH₃、H₂S、HCl

正确答案：Qw==

QemhueS4reWvueW6lOeahOWHoOenjeWFg+e0oOmdnumHkeWxnuaAp0Ns5pyA5by677yMQSDpobnplJnor6/vvJs8YnI+QumhueS4rUNs5YWD57Sg55qE6Z2e6YeR5bGe5oCn5L6d5pen5piv5pyA5by655qE77yMQumhuemUmeivr++8mzxicj5D6aG56Z2e6YeR5bGe5oCn55Sx5by65Yiw5byx5YiG5Yir5Li677yaRiZndDtDbCZndDtTJmd0O1Np77yM5a+55bqU55qE5rCi5YyW54mp56iz5a6a5oCn5piv5q2j56Gu55qE44CCPGJyPkTpoblDbOWFg+e0oOeahOmdnumHkeWxnuaAp+acgOW8uu+8jETpobnplJnor6/jgII8YnI+57u85LiK6YCJ5oupQ+mhueOAgg==

4/5单选题

难度：

4.下列四种元素中，单质的氧化性最强的是

A	原子最外层电子数为次外层电子数的2倍
B	第三周期ⅢA族元素
C	第17号元素
D	原子核外L层电子数为K、M层电子数之和

正确答案：Qw==

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

5/5单选题

难度：

5.同周期元素，X可以带2个负电荷，Y可以带一个单位的负电荷，下列说法正确的是

A	最高正价氧化物对应水化物的酸性，X的比Y的强
B	X的非金属性比Y的强
C	X的阴离子比Y的阴离子还原性强
D	X的气态氢化物比Y的稳定

正确答案：Qw==

5qC55o2u6aKY5oSP77yMWeWFg+e0oOWcqFjlhYPntKDnmoTlj7PovrnjgII8YnI+5Zug5q2k6Z2e6YeR5bGe5oCn77yaWCZsdDtZ77ybPGJyPuacgOmrmOato+S7t+awp+WMlueJqeWvueW6lOawtOWMlueJqeeahOmFuOaAp++8mlgmbHQ7We+8mzxicj7pmLTnprvlrZDnmoTov5jljp/mgKfvvJpYJmd0O1kg77ybPGJyPuawlOaAgeawouWMlueJqeeahOeos+WumuaAp++8mlgmbHQ7We+8mzxicj7nu7zkuIrvvIxD6aG55q2j56Gu77yM6YCJ5oupQ+mhueOAgg==