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“甲醛”为什么不叫“一醛”或“壹醛”?要感谢他们的探索
经常上化学课的朋友都知道:“甲醛”中的“醛”表明它含有醛基(-CHO)官能团(官能团是指决定有机化合物化学性质的原子或原子团),而“甲”表明它含有一个碳原子。那“乙醇”和“乙酸”呢?“醇”表明它含有羟基(-OH)官能团,“酸”表明它含有羧基(-COO ...
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Joint Chiefs chair fired
Body identified by family
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Senate adopts budget plan
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New AI for sign language
Home sales fell in January
TX measles outbreak grows
Trial adjourned indefinitely
Fires about 6,000 employees
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