配套习题- 认识化学式 -【青果学苑】

1/5单选题

难度：

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

正确答案：Qg==

5YaZ5YWD57Sg56ym5Y+35pe277yM56ys5LiA5Liq5a2X5q+N6KaB5aSn5YaZ77yM56ys5LqM5Liq5a2X5q+N6KaB5bCP5YaZ77yb5bi45rip5LiL5ZGI5ray5oCB55qE6YeR5bGe5piv5rGe77yM5rGe5piv55Sx5rGe5Y6f5a2Q5p6E5oiQ55qE77yb55So5YWD57Sg56ym5Y+355u05o6l5Luj6KGo5YyW5a2m5byP77ybPGJyPuetlOahiO+8mkLvvI4=

2/5单选题

难度：

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

正确答案：QQ==

6Kej77yaQe+8juWcqEZlQ2w8c3ViPjI8L3N1Yj7kuK3vvIzpk4HlhYPntKDmmL4rMuS7t++8jEZlQ2w8c3ViPjI8L3N1Yj7or7vkvZzmsK/ljJbkuprpk4HvvIzmlYXplJnor6/vvJs8YnI+Qu+8jk1nQ2w8c3ViPjI8L3N1Yj7or7vkvZzmsK/ljJbplYHvvIzmlYXmraPnoa7vvJs8YnI+Q++8jkFnQ2zor7vkvZzmsK/ljJbpk7bvvIzmlYXmraPnoa7vvJs8YnI+RO+8jkFsQ2w8c3ViPjM8L3N1Yj7or7vkvZzmsK/ljJbpk53vvIzmlYXmraPnoa7vvI48YnI+5pWF6YCJQe+8jg==

3/5单选题

难度：

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

正确答案：QQ==

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

4/5单选题

难度：

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

正确答案：Qg==

5Zyw5aOz5Lit5ZCr6YeP5pyA5aSa55qE6YeR5bGe5YWD57Sg5pivQWzvvIzlkKvph4/mnIDlpJrnmoTpnZ7ph5HlsZ7lhYPntKDmmK9P77yM5omA5Lul5a6D5Lus57uE5oiQ55qE5YyW5ZCI54mp5pivQWw8c3ViPjI8L3N1Yj5PPHN1Yj4zPC9zdWI+77yO

5/5单选题

难度：

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

正确答案：Qg==

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