CBSE Class 9 Answered
what do the following symbols s
tands for,
1.2O
2.O2
3. O3
4. H2O
Asked by | 27 Feb, 2013, 05:26: PM
1. 2O means two atoms of oxygen
2. O2 means a molecule of oxygen formed by chemical combination of two atoms of oxygen
3. O3 means a molecule of ozone having three atoms of oxygen combined chemically
4. H2O means a molecule of water having two atoms of hydrogen and one atom of oxygen chemically combined.
Answered by | 28 Feb, 2013, 11:37: AM
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