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2.a molecular formula
【化】分子式收藏指正
3.The compound so represented.
分子分子式所表示的化合物收藏指正
4.What is the formula for water?
水的分子式是什么？收藏指正
5.The formula for water is H2O
水的分子式为H2O.收藏指正
6.an expanded molecular formula showing the arrangement of atoms within the molecule.
表示分子中原子排列的扩展分子式。收藏指正
7.Oxygen is referred to as O2.
氧的分子式是02。收藏指正
8.The present paper deals with Mu-fong-chin C, which has the molecular formula C_(18)H_(21)O_(10) and a melting point 180-181℃.
分子式??_(18)H_(21)O_(10)。收藏指正
9.A symbolic representation of the composition or of the composition and structure of a compound.
分子式表示化学物质成分或组成方式的符号表达式收藏指正
10.The chemical formula for water is H?2O.
水的化学分子式是H?2O。收藏指正
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