挑战习题
1/5单选题
难度:

1.下列关于卤族元素由上到下性质递变的叙述,正确的是①单质的氧化性增强 ②单质的颜色加深 ③气态氢化物的稳定性增强④单质的沸点升高 ⑤阴离子的还原性增强
A ①②③
B ②③④
C ②④⑤
D ①③⑤
提示1:
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提示2:
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提示3:
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正确答案:Qw==
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