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How do you find the chemical formula of sodium oxide?

Answer:
Well you should know the formula and valency of each element first,

Sodium
formula - Na
valency - +1


Oxide
formula - Oxygen - O
valency - (-2)

Since the charge of the compound has to be 0 (zero)
2 atoms of sodium (+2) are required to neutralize the effect of the one oxygen atom (-2) ----------- [2 + (-2) = 0]
Na2O
First answer by ID0036954251. Last edit by ID0036954251. Question popularity: 2 [recommend question].

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