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This was on test 2-- telling which bonds are more ionic and which are more covalent. For the bonds F-CL and P-O, they were so similar so it was tough to tell which one was more ionic. How can I reason through this, and other similar problems such as determining elements that are diagonal to each other (and thus very similar in covalent character) which is more covalent/ionic?
F-Cl would be more covalent because they share an equal amount of valence electrons thus having it be nonpolar while P-O would be less strong as a covalent bond because they share a different amount of valence electrons. Some things to keep in mind is that ionic bonds are atoms are metal + nonmetal bonds and for covalent bonds they are nonmetal + nonmetal bonds or metalloid + nonmetal bonds. Ionic bonds are normally shared with an anion and cation bond while covalent bonds are either polar or nonpolar bonds.
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