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Unformatted text preview: Electron configurations- what is the electron configuration of neutral Cu? o [Ar] 4s 1 3d 10- what is the electron configuration of Cu 3+ ? o [Ar] 3d 8 trends- atomic radius o same in general on what we see for main group elements, but a lot of exceptions- ionization energy o increases going across- electronegativity o applies to covalent bonding which metals do not participate in coordination compounds- complex ion- an ion that contains a central metal ion bound to one or more ligands (transition metals usually for the central metal ion)- ligand- a neutral molecule or an ion that acts as a lewis base with the central metal ion in a complex ion o ligand needs at least one lone pair of electrons- coordination compound- neutral compound made when a complex ion combines with one or more counter ions o eg. [Co (NH 3 ) 6 ] 3+ and 3Cl- [Co(NH 3 ) 6 ]Cl 3- coordinate covalent bond- the bond formed when a ligand donates electrons to an empty orbital of a metal in a complex ion- coordination number- the number of bonds to the metal atom in a complex ion...
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