Transition metal definitions

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Complex Ion
A central metal ion with a number of other molecules or ions surrounding it. the metal ion is acting as a Lewis Base
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Ligand
An ion or a molecule with a lone pair of electron that forms a co-ordinate bond with a transition metal
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Co-ordinate bond
A covalent bond in which both the electrons in the bond come from one of the atoms forming the bond.
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Co-ordination number
The number of atom/ligands bonded to the metal ion
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Bidentate ligand
The ligand uses two pairs of electrons to form two co-ordinate bonds with the metal ion
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(triangle)E = hv
E = Energy, h= Planck's constant , v = Frequency
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Features of Transition metal ions
1) Variable oxidation states , 2) the ions are coloured, 3) Catalysis(they make good catalysts , 4) Complex Formation
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Transition metal element
An element that forms at least one stable ion with part-filled d-shell of electrons
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Chelation
The formation of complexes with multidentate ligands
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Card 2

Front

An ion or a molecule with a lone pair of electron that forms a co-ordinate bond with a transition metal

Back

Ligand

Card 3

Front

A covalent bond in which both the electrons in the bond come from one of the atoms forming the bond.

Back

Preview of the back of card 3

Card 4

Front

The number of atom/ligands bonded to the metal ion

Back

Preview of the back of card 4

Card 5

Front

The ligand uses two pairs of electrons to form two co-ordinate bonds with the metal ion

Back

Preview of the back of card 5
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