本课配套习题挑战模式1/5
单选题
难度系数:
1.“真金不怕火炼”这句广为流传的俗语,能充分体现金所具有的性质是
A: 硬度较小 |
B: 密度较小 |
C: 导电性好 |
D: 化学性质稳定 |
一次做对,真牛!
+5奖励规则>
- 提示1:4oCc55yf6YeR5LiN5oCV54Gr54K84oCd55qE5oSP5oCd5piv5Zyo6auY5rip54K554eD55qE5p2h5Lu25LiL77yM6YeR5L6d54S25LiN5LiO5YW25LuW54mp6LSo5Y+R55Sf5Y+N5bqU44CC
- 答案:RA==
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本课配套习题挑战模式2/5
单选题
难度系数:
2.下列关于金属的叙述中正确的是
A: 所有的金属都是固态的 |
B: 金属具有导电性、导热性和延展性 |
C: 所有金属能与酸反应 |
D: 金属元素在自然界中都是以化合态存在的 |
一次做对,真牛!
+5奖励规则>
- 提示1:5a+55LqO4oCc5omA5pyJ4oCm4oCm6YO94oCm4oCm4oCd55qE5Y+l5byP77yM5oiR5Lus5Y+q6KaB5om+5Yiw5Y+N5L6L5o6S6Zmk5Y2z5Y+v44CC
- 答案:Qg==
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本课配套习题挑战模式3/5
单选题
难度系数:
3.下列叙述的各项性质中,不属于金属的通性的是
A: 导电、导热性 |
B: 延展性 |
C: 具有金属光泽 |
D: 熔点都很高 |
一次做对,真牛!
+5奖励规则>
- 提示1:6YeR5bGe5LiA6Iis6YO95YW35pyJ5LiA5a6a55qE6YeR5bGe5YWJ5rO944CB6Imv5aW955qE5a+855S15oCn5ZKM5a+854Ot5oCn44CB5bu25bGV5oCn44CC
- 答案:RA==
6YeR5bGe55qE6YCa5oCn5piv77ya5LiA6Iis6YO95YW35pyJ5LiA5a6a55qE6YeR5bGe5YWJ5rO944CB6Imv5aW955qE5a+855S15oCn5ZKM5a+854Ot5oCn44CB5bu25bGV5oCn44CCPGJyPuS9humHkeWxnueahOeGlOeCueW3ruWIq+i+g+Wkp++8jOWkp+WkmuaVsOaYr+avlOi+g+mrmOeahO+8m+S9huaYr+Wmguaxnu+8jOWcqOW4uOa4qeS4i+WwseaYr+a2suaAge+8jOWug+eahOeGlOeCueW+iOS9juOAguWboOatpETpobnplJnor6/jgII=
本课配套习题挑战模式4/5
单选题
难度系数:
4.下列关于金属的描述不正确的是
A: 地壳中含量最多的金属元素是Al |
B: 金属一般是热和电的良导体 |
C: 自然界中绝大多数金属元素以游离态的形式存在 |
D: 金属一般呈银白色,具有金属光泽 |
一次做对,真牛!
+5奖励规则>
- 提示1:5q2k57G76aKY55uu6ZyA6KaB5rOo5oSP6KGo6L+w77yM4oCc5LiA6Iis4oCd5ZKM4oCc6YO94oCd5piv5pyJ5Yy65Yir55qE44CC4oCc5aSn5aSa5pWw4oCd5ZKM4oCc5bCR5pWw4oCd55qE5Yik5pat5Lmf5piv5Liq5piT6ZSZ54K544CC
- 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.下列关于金属元素特征的序数正确的是① 金属元素的原子只有还原性,离子只有氧化性② 金属元素在化合物中一般显正价③ 金属只有金属性,没有非金属性
A: ①② |
B: ② |
C: ②③ |
D: ③ |
一次做对,真牛!
+5奖励规则>
- 提示1:6ICD6JmR6YeR5bGe55qE5rCn5YyW5oCn5LiO6L+Y5Y6f5oCn5pe277yM5rOo5oSP5pyJ5Lqb5YWD57Sg55qE5YyW5ZCI5Lu35LiN5q2i5pyJ5LiA56eN77yM5aaC6ZOB44CC
- 提示2:6ZOd5piv5LiA56eN6Z2e5bi454m55q6K55qE6YeR5bGe77yM5a6D5YW35pyJ5Lik5oCn44CC
- 答案:Qg==
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