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taurus [48]
3 years ago
7

I need help on this still stuck on it

Physics
1 answer:
jenyasd209 [6]3 years ago
6 0
The underlined offset 2 is called a subscript and it describes how many of the element preceding it per molecule of the entire molecule/compound. In the case of H20, it means there are 2 Hydrogen per H20 molecule.
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