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.汞是常温下唯一的液态金属，汞的化学式是
| A: Ag |
| B: Hg |
| C: He |
| D:Hg2 |
一次做对，真牛！
+5奖励规则>
- 提示1：5rGe5piv55Sx5rGe5Y6f5a2Q5p6E5oiQ55qE44CC
- 答案：Qg==
5YaZ5YWD57Sg56ym5Y+35pe277yM56ys5LiA5Liq5a2X5q+N6KaB5aSn5YaZ77yM56ys5LqM5Liq5a2X5q+N6KaB5bCP5YaZ77yb5bi45rip5LiL5ZGI5ray5oCB55qE6YeR5bGe5piv5rGe77yM5rGe5piv55Sx5rGe5Y6f5a2Q5p6E5oiQ55qE77yb55So5YWD57Sg56ym5Y+355u05o6l5Luj6KGo5YyW5a2m5byP77ybPGJyPuetlOahiO+8mkLvvI4=
本课配套习题挑战模式2/5
单选题
难度系数：
2.下列物质的化学式读法错误的是
| A: FeCl2读作氯化铁 |
| B: MgCl2读作氯化镁 |
| C: AgCl读作氯化银 |
| D: AlCl3读作氯化铝 |
一次做对，真牛！
+5奖励规则>
- 提示1：5YyW5ZCI54mp5YyW5a2m5byP55qE6K+75rOV77ya5LiA6Iis5piv5LuO5Y+z5ZCR5bem6K+777yM6K+75L2c4oCc5p+Q5YyW5p+Q4oCd77yMIA==
- 提示2：5YyW5a2m5byP5Lit55qE5LiL5qCH6KGo56S65p6E5oiQ6L+Z5Liq5YiG5a2Q55qE5Y6f5a2Q5Liq5pWw77yM5pyJ5pe25LiN55So6K+777yM5pyJ5pe25Li65LqG5Yy65YiG5LiN5ZCM5Lu35oCB55qE5ZCM56eN5YWD57Sg57uE5oiQ55qE5YyW5ZCI54mp77yM6ZyA6KaB6K+75Ye65YyW5a2m5byP5Lit55qE5LiL6KeS5qCH77yM5aaCU088c3ViPjI8L3N1Yj7jgIFQPHN1Yj4yPC9zdWI+TzxzdWI+NTwvc3ViPuetie+8mw==
- 答案：QQ==
6Kej77yaQe+8juWcqEZlQ2w8c3ViPjI8L3N1Yj7kuK3vvIzpk4HlhYPntKDmmL4rMuS7t++8jEZlQ2w8c3ViPjI8L3N1Yj7or7vkvZzmsK/ljJbkuprpk4HvvIzmlYXplJnor6/vvJs8YnI+Qu+8jk1nQ2w8c3ViPjI8L3N1Yj7or7vkvZzmsK/ljJbplYHvvIzmlYXmraPnoa7vvJs8YnI+Q++8jkFnQ2zor7vkvZzmsK/ljJbpk7bvvIzmlYXmraPnoa7vvJs8YnI+RO+8jkFsQ2w8c3ViPjM8L3N1Yj7or7vkvZzmsK/ljJbpk53vvIzmlYXmraPnoa7vvI48YnI+5pWF6YCJQe+8jg==
本课配套习题挑战模式3/5
单选题
难度系数：
3.物质的化学式书写正确的是
| A: 四氧化三铁Fe3O4 |
| B: 碳酸HCO3 |
| C: 氧化镁OMg |
| D: 铜CuC1 |
一次做对，真牛！
+5奖励规则>
- 提示1：5qC55o2u6YeR5bGe5ZKM5Zu65oCB55qE6Z2e6YeR5bGe5YWD57Sg77yM56iA5pyJ5rCU5L2T6YO95piv55Sx5Y6f5a2Q5p6E5oiQ55qE77yM55So5a6D55qE5YWD57Sg56ym5Y+36KGo56S66L+Z56eN54mp6LSo77yb5bi46KeB55qE5rCU5L2T5piv55Sx5YiG5a2Q5p6E5oiQ55qE77yb
- 提示2：5qC55o2u5YyW5ZCI54mp5YyW5a2m5byP55qE5Lmm5YaZ5q2l6aqk77ya5b2S57G74oaS5a6a5bqP4oaS5qCH5Lu34oaS5Lqk5Y+J4oaS57qm566A77yM6L+b6KGM6Kej562U77yO
- 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.地壳中含量最多的非金属元素和含量最多的金属元素所形成的化合物是
| A: CaO |
| B: Al2O3 |
| C: SiO2 |
| D: Fe3O4 |
一次做对，真牛！
+5奖励规则>
- 提示1：5Zyw5aOz5Lit5YWD57Sg5ZCr6YeP55Sx6auY5Yiw5L2O5L6d5qyh5piv5rCn44CB56GF44CB6ZOd44CB6ZOB77yO
- 答案：Qg==
5Zyw5aOz5Lit5ZCr6YeP5pyA5aSa55qE6YeR5bGe5YWD57Sg5pivQWzvvIzlkKvph4/mnIDlpJrnmoTpnZ7ph5HlsZ7lhYPntKDmmK9P77yM5omA5Lul5a6D5Lus57uE5oiQ55qE5YyW5ZCI54mp5pivQWw8c3ViPjI8L3N1Yj5PPHN1Yj4zPC9zdWI+77yO
本课配套习题挑战模式5/5
单选题
难度系数：
5.下列物质的化学式中，书写不正确的是
| A: 氧化镁MgO |
| B: 氯化铁FeCl2 |
| C: 氢气 H2 |
| D: 食盐 NaCl |
一次做对，真牛！
+5奖励规则>
- 提示1：5YyW5ZCI54mp5YyW5a2m5byP55qE5Lmm5YaZ5LiA6Iis6KeE5b6L77ya5YWI6K+75ZCO5YaZ77yM5ZCO6K+75YWI5YaZ77yb6YeR5bGe5Zyo5YmN77yM6Z2e6YeR5bGe5Zyo5ZCO77yb5rCn5YyW54mp5Lit5rCn5Zyo5ZCO77yM5Y6f5a2Q5Liq5pWw5LiN6IO95ryP77yO
- 答案：Qg==
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
