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Do we need to know how to calculate the exact number for electronegativity for the midterm and all the tests afterward? If not, is there anything else to know about electronegativity besides the general trends and information?
I think you might need to know if a bond is going to be ionic or covalent based on the electronegativities (above 2 = ionic, below 1.5 = covalent) along with the trends in electronegativity. But since we haven't really done ay problems calculating exact electronegativities yet, I doubt that'll be on the midterm!
I believe we will not receive a period table that lists all the electronegativity of each element. However, it is best to know the relative trends to solve a variety of problems like creating a Lewis structure with the lowest energy arrangement of atoms and electrons.
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