What will be the formulae for the oxides of k, Si and Ba in Mendeleev's periodic table.
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- The element K is in I group of Mendeleev's periodic table in which general formula is R2O. So formula of oxide of K is K2O
- Formula of Si oxide is SiO2.
- Oxide of Ba is BaO
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According to the Mendeleev's periodic table, oxides of k, Si and Ba are formulated as the Oxygen is a member of group VI A and its valence is 2.
valencies of all the elements listed can be predicted in Mendeleef's periodic table from respective groups. It can help in writing and formulae of their oxides such as Potassium (K) is a member of group IA having the valency is 1.
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