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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.
This is true of the solid, Al atoms are surrounded by 6 Cl atoms, high coordination numbers are typical for ionic solids. In the vapour phase AlCl3 dimerises to form Al2Cl6 which is covalent, with chloride bridges-each aluminium has four chlorine atoms surrounding t. and achieves its octet.efinitely covalent. The electronegativity difference isn't great enough for a bond between Nitrogen and Oxygen to be ionic. In order for a bond to be Ionic, the electronegati â¦ vity difference must be 2.7 or greater. The electronegativity difference of N and O is merely .4.