what is a subscript in a chemical formula?what's the relationship_英语解答

what is a subscript in a chemical formula?what's the relationship between element and stom?
我科学作业做不出~~~Science!
还有几个问题：
How to tell a substance is a compound or not a compound?
How does the density make things sink of float in a liquid?
chemical formula:carbon dioxide ozone backing soda
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人气：479 ℃　时间：2020-06-22 20:26:32

解答

a subscript of a chemical formula is the number of atoms of the element.chemical element is the generic terms of a kind of atom that with the same inuclear charge.and atom is the smallest particles in...