Specify the type of chemical bond in the molecules of substances: HNO3 Cr2O3 Na2SiO3 K2MnO4 SiO2 H2 Na Co2 So3

nitric acid – covalent polar bond;
chromium oxide III – ionic bond;
sodium silicate – ionic bond;
potassium permanganate – ionic bond;
silicon oxide – covalent polar bond;
hydrogen is a covalent non-polar bond;
sodium – metal bond;
carbon monoxide IV and sulfur oxide VI – covalent polar bond



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