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4.Write the molecular formulae for the oxides and sulphides of the following elements.

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kaueshal.k

(@kaueshal-k)

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Topic starter 03/08/2025 11:55 am

(a) Sodium

(b) Calcium

(c) Hydrogen

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kaueshal.k

(@kaueshal-k)

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Joined: 8 months ago

Posts: 16

Topic starter 03/08/2025 5:39 pm

Element	Oxide	Sulphide
Sodium	Na₂O	Na₂S
Calcium	CaO	CaS
Hydrogen	H₂O	H₂S

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