Question

Составить формулу оксидов K, Ba, Fe, Cu, S (IV), P(V).

Answer 1

Оксид калия К2О
оксид бария ВаО
оксид железа(в зависимости от валентности железа)  FeO или Fe2O3
оксид меди(опять в зависимости от валентности) Cu2O или CuO
оксид серы(IV) SO2
оксид фосфора (V) P2O5

Answer 2

Formula of Oxides

The formula of oxides for the elements K, Ba, Fe, Cu, S (IV), and P (V) are as follows:

- Potassium (K): K2O - Barium (Ba): BaO - Iron (Fe): Fe2O3 - Copper (Cu): CuO - Sulfur (S) in its +4 oxidation state (S (IV)): SO2 - Phosphorus (P) in its +5 oxidation state (P (V)): P2O5 Please note that the oxidation states of elements can vary, and the formulas provided here are specific to the mentioned oxidation states.

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