二氧化碳
二氧化碳（IUPAC名：carbon dioxide，分子式：CO2）是空气中常见个化合物，由两个氧原子搭一个碳原子通过共价键连接而成。空气中有微量个二氧化碳，约占0.04％。二氧化碳略溶勒水中，形成碳酸，碳酸是一种弱酸。
This article uses material from the Wikipedia 吴语 article 二氧化碳, which is released under the Creative Commons Attribution-ShareAlike 3.0 license ("CC BY-SA 3.0"); additional terms may apply (view authors). 除非另外声明，内容用CC BY-SA 4.0授权。 Images, videos and audio are available under their respective licenses.
®Wikipedia is a registered trademark of the Wiki Foundation, Inc. Wiki 吴语 (DUHOCTRUNGQUOC.VN) is an independent company and has no affiliation with Wiki Foundation.