Electronegativity
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6 Terms
1
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what is electronegativity?
a measure of attraction of a bonded atom for the pair of electrons in a covalent bond
2
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what are the trends for electronegativity?
increases across a period decreases down a group with F as the most
3
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what is bond polarity?
bonds are polar if the difference is more than 0.4 and greater difference means more polar
4
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what makes a molecule polar?
the shape and bond polarity
5
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when do you get non-polar bonds?
if the polar bonds/ dipoles are in the opposite directions as they cancel out
6
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what happens if the polar bonds point roughly in the same place?
there is an overall dipole and the bond is polar
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