本课配套习题挑战模式1/5
单选题
难度系数:
1.人们对未发现的第114号元素很感兴趣,预测它有良好的力学、光学、电学性质,它被命名为“类铅”.以下对“类铅”的叙述正确的是
A: 最外层有6个电子 |
B: 位于元素周期表的第七周期 |
C: 主要化合价为-4价、+4价 |
D: 电解硝酸铜与硝酸“类铅”的混合溶液时首先会析出“类铅” |
一次做对,真牛!
+5奖励规则>
- 提示1:5pys6aKY6ZyA6KaB5qC55o2u5Y6f5a2Q5bqP5pWw5p2l56Gu5a6a5YWD57Sg55qE5L2N572u44CC
- 提示2:5qC55o2u5q+P5Liq5ZGo5pyf5Lit5omA5ZCr5YWD57Sg55qE5Liq5pWw5YiG5Yir5Li64oCcMuOAgTjjgIE444CBMTjjgIExOOOAgTMy44CBMzLigJ3vvIzlj6/ku6Xnoa7lrproi6XnrKzkuIPlkajmnJ/og73lpJ/mjpLmu6HvvIzmnIDlkI7kuIDkuKrlhYPntKDlupTor6XkuLoxMTjlj7flhYPntKDjgII=
- 提示3:5b6A5YmN5YCS5o6o77yM56ysMTE05Y+35YWD57Sg5bqU6K+l5Zyo4oWjQeaXj+OAgg==
- 答案:Qg==
Qe+8juWFtuacgOWkluWxgueUteWtkOaVsOS4ujTvvIzmlYVB6ZSZ6K+v77ybPGJyPkLvvI7ljp/lrZDnu5PmnoTkuK3mnIk35Liq55S15a2Q5bGC77yM5L2N5LqO5YWD57Sg5ZGo5pyf6KGo55qE56ys5LiD5ZGo5pyf77yM5pWFQuato+ehru+8mzxicj5D77yO6K+l5YWD57Sg5Li66YeR5bGe5YWD57Sg77yM5rKh5pyJLTTku7fvvIzmlYVD6ZSZ6K+v77ybPGJyPkTvvI7lm6DmsKfljJbmgKdDdTxzdXA+Mis8L3N1cD7nmoTlpKfkuo7igJznsbvpk4XigJ3nprvlrZDvvIzliJnnlLXop6PnoZ3phbjpk5zkuI7noZ3phbjigJznsbvpk4XigJ3nmoTmt7flkIjmurbmtrLml7bpppblhYjkvJrmnpDlh7pDde+8jOaVhUTplJnor6/vvJs8YnI+5pWF6YCJQu+8jg==
本课配套习题挑战模式2/5
单选题
难度系数:
2.元素周期表是一座开放的“元素大厦”,元素大厦尚未客满.请你在元素大厦中为119号元素安排好它的房间
A: 第八周期第IA族 |
B: 第七周期第ⅦA族 |
C: 第七周期第0族 |
D: 第六周期第ⅡA族 |
一次做对,真牛!
+5奖励规则>
- 提示1:5qC55o2u4oCc5q+P5ZGo5pyf5YWD57Sg55qE56eN5pWw5pivMuOAgTjjgIE444CBMTjjgIExOOOAgTMy4oCd5p2l56Gu5a6a5q+P5Liq5ZGo5pyf5ZCO56iA5pyJ5rCU5L2T55qE5Y6f5a2Q5bqP5pWw77yM5Lul5q2k5YWD57Sg5Zyo5ZGo5pyf6KGo5Lit55qE5L2N572u44CC
- 答案:QQ==
5YWD57Sg5ZGo5pyf6KGo5Lit5q+P5ZGo5pyf5YWD57Sg55qE56eN5pWw5pivMuOAgTjjgIE444CBMTjjgIExOOOAgTMy77yM56iA5pyJ5rCU5L2T5YWD57Sg55qE5Y6f5a2Q5bqP5pWw5L6d5qyh5pivMuOAgTEw44CBMTjjgIEzNuOAgTU044CBODbjgIExMTjvvIwxMTnlj7flhYPntKDlnKgxMTjlj7fnmoTkuIvkuIDlkajmnJ/nrKzkuIDnp43lhYPntKDvvIzmiYDku6UxMTnlj7flhYPntKDkvY3kuo7nrKzlhavlkajmnJ/nrKxJQeaXj++8juaVhemAiUHvvI4=
本课配套习题挑战模式3/5
单选题
难度系数:
3.如果n为第ⅡA族中某元素的原子序数,则原子序数为(n+2)的元素不可能位于
A: ⅥA |
B: IVB |
C: ⅢB |
D: IVA |
一次做对,真牛!
+5奖励规则>
- 提示1:5YWD57Sg5ZGo5pyf6KGo5Lit77yM56ys4oWhQeaXj+eahOWQjuWQjuS4pOWPt+WFg+e0oOacieS4ieenjeWPr+iDve+8jOS4gOenjeaYr+WcqOefreWRqOacn++8jOS4gOenjeaYr+WcqOesrOWbm+OAgeesrOS6lOWRqOacn++8jOi/mOacieS4gOenjeaYr+WcqOesrOWFreOAgeesrOS4g+WRqOacn+OAgg==
- 答案:QQ==
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
本课配套习题挑战模式4/5
单选题
难度系数:
4.
请判断87号元素在元素周期表中的位置是
A: 第六周期第VⅡA族 |
B: 第七周期第ⅠA族 |
C: 第七周期第ⅢB族 |
D: 第六周期第VB族 |
一次做对,真牛!
+5奖励规则>
- 提示1:PHA+5pys6aKY6ZyA6KaB5qC55o2u5Y6f5a2Q5bqP5pWw5p2l56Gu5a6a5YWD57Sg55qE5L2N572u44CCPC9wPg==
- 提示2:PHA+5qC55o2u5q+P5Liq5ZGo5pyf5Lit5omA5ZCr5YWD57Sg55qE5Liq5pWw5YiG5Yir5Li64oCcMuOAgTjjgIE444CBMTjjgIExOOOAgTMy44CBMzLigJ3vvIzlj6/ku6Xnoa7lrprmr4/lkajmnJ/nmoTmg7DmgKfmsJTkvZPlhYPntKDnmoTluo/mlbDjgII8L3A+
- 提示3:PHA+5Lul5q2k5b6A5ZCO5oiW5b6A5YmN5o6o5Y2z5Y+v44CCPC9wPg==
- 答案:Qg==
PHA+56iA5pyJ5rCU5L2TUm7vvIzljp/lrZDluo/mlbDkuLo4Nu+8jOS9jeS6juesrOWFreWRqOacn+mbtuaXj++8jOaYr+esrOWFreWRqOacn+acgOWQjuS4gOenjeWFg+e0oO+8jDg35Y+35YWD57Sg5piv5LiL5LiA5ZGo5pyf56ys5LiA5Liq5YWD57Sg77yM5pWFODflj7flhYPntKDkvY3kuo7nrKzkuIPlkajmnJ/nrKzihaBB5peP77yOPGJyPuaVhemAie+8mkM8L3A+
本课配套习题挑战模式5/5
单选题
难度系数:
5.原子序数为35的元素X在元素周期表中的位置正确的是
A: |
B: |
C: |
D: |
一次做对,真牛!
+5奖励规则>
- 提示1:5pys6aKY6ICD5p+l6L6D5Li65YW35L2T77yM5Zyo5o6o5pat5Ye6MzXlj7flhYPntKDnmoTkvY3nva7lkI7ov5jpnIDopoHmjqjmlq3lh7rlkITpgInpobnkuK3lhbbku5bnmoTlhYPntKDkvY3nva7jgII=
- 提示2:5Yik5pat55qE5L6d5o2u5L6d54S25Y+v5Lul5LuO5oOw5oCn5rCU5L2T55qE5Y6f5a2Q5bqP5pWw5YWl5omL44CC
- 答案:RA==
QeOAgTnlj7flhYPntKDkuI4xMeWPt+WFg+e0oOS4jeWkhOS6juWQjOS4gOWRqOacn++8jOaVhUEg6ZSZ6K+v77ybPGJyPkLjgIE4N+WPt+WFg+e0oOWkhOS6juesrElB5peP77yM5pWFQumUmeivr++8mzxicj5D44CBMTnlj7flhYPntKDkuI4zNeWPt+WFg+e0oOWkhOS6juWQjOS4gOWRqOacn++8jOaVhUPplJnor6/vvJs8YnI+ROOAgTE25Y+35YWD57Sg5LiOMzXlj7flhYPntKDkvY3nva7vvIznrKblkIjlhYPntKDlkajmnJ/ooajkuK3kvY3nva7lhbPns7vvvIzmlYVE5q2j56Gu77yOPGJyPuaVhemAie+8mkTvvI4=