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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.
NH3 is definitely covalent. Hydrogen is an element that is sometimes placed on both the left side and the right side of the periodic table. One of the deficiencies of the rectangular table is that hydrogen doesn't really belong to a specific spot. Some other shapes and designs try to rectify this flaw. simple way to decide if a substance is covalent or ionic is to compare the electronegativities of the elements involved in the bonding. Electronegativity is a measure of the pull on shared electrons between to atoms.