Determine the highest valence of boron, carbon and sulfur atoms by the periodic

Determine the highest valence of boron, carbon and sulfur atoms by the periodic table. Draw up the formulas for the higher oxides of these elements.

B – an element of the 3rd group, its highest valency (III), oxide B2O3.
C higher valence (IV), CO2 oxide.
S highest valency (VI), oxide SO3.



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