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In CO2, O is more electronegative meaning that it seeks to pull the electron between itself and carbon more strongly which results in unequal sharing of electrons. In O3, when atoms are bonded together, the electrons are shared equally. 7. Analyze whether dinitrogen tetroxide, N2O4, has covalent or ionic bonds.nswers: 1. Determine if the following compounds are likely to have ionic or covalent bonds. a. magnesium oxide, MgO ionic (metal and nonmetal) b. Strontium chloride, SrCl2 ionic (metal and nonmetal) c.
Covalent compunds: write the element with a subscript that corresponds to the prefix. For example, carbon tetraiodide... Carbon is a nonmetal, and iodide is a nonmetal; therefore, carbon and iodide form a covalent compound. Thus, the covalent molecule nomenclature rules are used. Carbon is C, idodide is I, and tetra means 4, so. carbon tetraiodide is CI4. (hint: For our purposes, only covalent compounds use prefixes; therefore, the presence of a prefix means the compound must be covalent.) Acids: add as many protons (H+) as needed to cancel the charge of the anion.