Chemistry Answered
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#Class9 #Valency #ChemicalFormulas

Why is valency important in writing formulas?

Why do we write H₂O, not HO₂?
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Asked 1 week ago
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Admin User
Answered 2025 years ago
Valency tells us combining capacity. Hydrogen has valency 1, oxygen 2 → formula balances as H₂O.
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