中学生网络课堂本课配套习题挑战模式1/5
单选题
难度系数：
1.近阶段多家媒体报道：云南铬污染和问题胶囊铬超标影响甚广．有关铬元素在元素周期表中的位置如图所示．从图中获取的信息正确的是
| A: 该元素为非金属元素 |
| B: 该元素在地壳中的含量为52.00% |
| C: 该元素的原子序数为52 |
| D: 该元素的原子核外有24个电子 |
一次做对，真牛！
+5奖励规则>
- 提示1：5LuO5YWD57Sg5rGJ5a2X55qE5Lmm5YaZ5Y+v5Lul5Yik5pat5piv5ZCm5piv6YeR5bGe5YWD57Sg44CC
- 提示2：5Zu+5Lit55qENTIuMDDooajnpLror6XlhYPntKDnmoTnm7jlr7nljp/lrZDotKjph4/jgII=
- 提示3：5Zu+5Lit55qEMjTooajnpLrlroPnmoTljp/lrZDluo/mlbDjgII=
- 答案：RA==
QeOAgeagueaNruWMluWtpuWFg+e0oOaxieWtl+WQjeensOeahOWBj+aXgeWPr+i+qOWIq+WFg+e0oOeahOenjeexu++8jOmHkeWxnuWFg+e0oOWQjeensOS4gOiIrOacieKAnOmHkeKAneWtl+aXge+8m+WboOatpOivpeWFg+e0oOWxnuS6jumHkeWxnuWFg+e0oO+8jOaVhUHmraPnoa7vvJs8YnI+QuOAgeagueaNruWFg+e0oOWRqOacn+ihqOS4reeahOS/oeaBr++8jDUyLjAw5piv6K+l5YWD57Sg55qE55u45a+55Y6f5a2Q6LSo6YeP77yM6ICM5LiN5piv6K+l5YWD57Sg5Zyo5Zyw5aOz5Lit5ZCr6YeP77yO5pWFQumUmeivr++8mzxicj5D44CB5qC55o2u5YWD57Sg5ZGo5pyf6KGo5Lit55qE5L+h5oGv5Y+v55+l77yM6K+l5YWD57Sg5Y6f5a2Q55qE5Y6f5a2Q5bqP5pWw5Li6MjTvvIzmlYVD6ZSZ6K+v77ybPGJyPkTjgIHmoLnmja7lhYPntKDlkajmnJ/ooajkuK3nmoTkv6Hmga/lj6/nn6XvvIzpk6zlhYPntKDnmoTljp/lrZDluo/mlbA96LSo5a2Q5pWwPeaguOWklueUteWtkOaVsO+8jOmTrOWFg+e0oOeahOWOn+WtkOaguOWkluaciTI05Liq55S15a2Q77yM5pWFROato+ehru+8jjxicj7mlYXpgIlE77yO
本课配套习题挑战模式2/5
单选题
难度系数：
2.如图是元素周期表的一部分，下列说法错误的是
| A: 三种元素的原子最外层电子数均小于4 |
| B: C、N、O的原子序数依次增加 |
| C: 氧的相对原子质量为16.00 |
| D: 氮原子的核外电子数为7 |
一次做对，真牛！
+5奖励规则>
- 提示1：5qC55o2u5Zu+5Lit5YWD57Sg5ZGo5pyf6KGo5LiA5qC85Y+v5Lul6I635b6X55qE5L+h5oGv77ya5Y6f5a2Q5bqP5pWw44CB55u45a+55Y6f5a2Q6LSo6YeP44CB5YWD57Sg56ym5Y+344CB5YWD57Sg56eN57G7562J
- 答案：QQ==
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
本课配套习题挑战模式3/5
单选题
难度系数：
3.某原子结构示意图和在周期表中的信息如图．则叙述不正确的是
| A: 钠的核内质子数为11 |
| B: 钠的相对原子质量为23.0 |
| C: 该粒子有三个电子层 |
| D: 该粒子具有稳定结构 |
一次做对，真牛！
+5奖励规则>
- 提示1：5qC55o2u6K+l5Y6f5a2Q55qE5qC45aSW55S15a2Q5o6S5biD56S65oSP5Zu+77yM5pyA5aSW5bGC5pyJ5LiA5Liq55S15a2Q77yM5a655piT5aSx5Y676L+Z5Liq55S15a2Q44CC
- 答案：RA==
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
本课配套习题挑战模式4/5
单选题
难度系数：
4.
如图为元素周期表第三周期的局部，据此判断下列说法中正确的是
| A: 它们都属于金属元素 |
| B: 1个铝原子的质量是26.98g |
| C: 钠元素的一个原子质子数为11 |
| D: 镁元素的相对原子质量为12 |
一次做对，真牛！
+5奖励规则>
- 提示1：PHA+5YaZ5Zyo6YeR5bGe5YmN6Z2i55qE5pWw5a2X5Li65Y6f5a2Q5bqP5pWw77yM6ICM5LiL6Z2i55qE5pWw5a2X5Li655u45a+55Y6f5a2Q6LSo6YePPGJyPjwvcD4=
- 答案：Qw==
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
本课配套习题挑战模式5/5
单选题
难度系数：
5.如图是元素周期表的一部分（“M”代表一种元素），以下对元素“M”的推测正确的是
| A: “M”的原子最外层电子数为26 |
| B: “M”的核电荷数为30 |
| C: “M”的相对原子质量为26 |
| D: “M”的原子核内质子数为26 |
一次做对，真牛！
+5奖励规则>
- 提示1：5o6o5pat5Ye655qEMjbooajnpLrljp/lrZDnmoTljp/lrZDluo/mlbA=
- 提示2：5qC455S16I235pWwPeaguOWGhei0qOWtkOaVsD3ljp/lrZDluo/mlbA=
- 答案：RA==
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
