What do the following symbols stand for? a) O b) 2O c) O2 d) 3O2

Answers (1)

The various symbols stand for the following

O means a single atom of oxygen.
2 O means 2 atoms of oxygen.
Oâ‚‚ means a single molecule of oxygen.
3Oâ‚‚ means 3 molecules of oxygen.

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