Transition Elements Flashcards

1
Q

Definition of Transition Elements

A

A transition element is a d-block element which forms at least one stable ion with partially filled d orbital

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2
Q

Definition of Complex Ions

A

A complex ion is a species that contains a central metal atom/ion surround by molecules or anions (known as ligands) which forms coordinate bonds to the metal centre

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3
Q

Definition of Ligands

A

A ligand is a molecule or anion with at least one lone pair of electrons that it can use to form a coordinate bond to the central metal atom/ion in a complex ion

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4
Q

Definition of Coordination Number

A

The coordination number of a metal atom or ion a complex ion is the total number of coordinate bonds formed to the central metal atom/ion

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5
Q

Definition of Ligand exchange reaction

A

A ligand exchange reaction is a reaction in which weaker ligands are substituted by stronger ligands

Cl- < OH- < H2O < NH3 < en < CN- < edta4-

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