赚现金
成语是我国的文化瑰宝,请用恰当的化学用语表示下列成语相关内容中带点的字:
(1)如胶似漆:胶中含有碳、氢、钙等元素,写出其中一种 非金属的元素符号 ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ;
(2)争风吃醋:醋酸溶液中含有 氢离子 ⋅ ⋅ ⋅ ;
(3)信口雌黄:雌黄即三硫化二砷(砷元素符号As), 三硫化二砷的化学式 ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ .
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