下列金属中,活动性最强的是:
Answer and explanation
Correct answer: A. 钾
其他选项为什么不对: 铜、铁、锌都不符合题意。
- Step 1: 金属活动性顺序中钾排在最前面,比铜、铁、锌都活泼。
Answer
钾.
Practise more 元素与化合物.
Free questions with an explanation for every one, and full timed Gaokao mock tests.
Correct answer: A. 钾
Free questions with an explanation for every one, and full timed Gaokao mock tests.