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Atoms and Molecules — Science STD 9 — Question

CBSE BoardEnglish MediumSTD 9ScienceAtoms and Molecules1 Mark
Question
Work out the formula for sulphur dioxide.
(Valencies: S = 4; O = 2)
✓

Answer

$\ \text{Symbols}:\ \ \ \ \ \text{S}\ \ \ \ \ \ \ \ \ \text{O}\\ {\text{Valencies}}:\ +4\ \ \ \ -2$
Chemical formula of sulphur dioxide is SO2

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