题目

阅读下面短文,根据短文内容完成表格中所缺信息,每空一词。 Some people believe that your nationality can influence your personality.This is why you might hear someone saying “She is atypical Australian.” Or “He is so French.” It seems that people from a certain country share certain similar characteristics. French  French people are often seen as romantic and outgoing people with a great love for life, food and wine.They are good at singing and dancing. Chinese  Chinese are friendly people who are hard-working.They are polite because they下表列出了九种元素在元素周期表中的位置:族周期I AII AIII AIV AV AVI AVII A2EF3ACDGR4BH根据题意,用元素符号或化学式填空:(1)这几种元素中,金属性最强的是______;化学性质最不活泼的是______.(2)G元素和H元素的核电荷数之差是______;含有6个中子的E原子的化学符号为______.(3)A、B、C三种元素的原子半径由大到小的顺序为______.(4)用电子式表示H元素跟A元素形成化合物的过程______.(5)C、D两元素比较,金属性较强的是______,可以验证该结论的实验是______ (用编号表示).①将在空气中放置已久的C和D的单质分别与热水反应②将除去氧化物薄膜的C与D的单质分别和热水作用,并滴入酚酞溶液③将除去氧化物薄膜的C与D的单质分别和2mL1mol?L-1的盐酸反应④比较这两种元素的气态氢化物的稳定性(6)D和F两种元素形成的化合物与强碱反应的离子方程式为______.
英语 试题推荐