What do the following abbreviations stand for?
(i) O
(ii) 2O
(iii) O₂
(iv) 3O₂

Academic Chemistry NCERT Class 9

The following abbreviations stand for:

(a) O- one atom of oxygen

(b) 2O - two separate atoms of oxygen

(c) O₂- one molecule of oxygen

(d) 3O₂- three molecules of oxygen

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Updated on: 10-Oct-2022

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