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Kimberly Koo 3C wrote:The transition metals in the d-block are more electronegative than the metals in other groups.
I'm not sure that this is necessarily true. While they do behave differently I believe that Fluorine and other elements nearing the top right of the periodic table (minus group 18) are more electronegative than d-block elements. As far as behavior in bonding, it is worth noting that the d-block elements can all expand their octets. While of course other elements can do this as well the expanded octet affects behavior.
D-block elements can experience multiple oxidation states since they may have incomplete inner subshells that do not restrict valence e- to the outer shell. They are also a good source of e- due to their ability to form expanded octets, and they can form complexes via coordinate covalent bonds with ligands.
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