Transition Metals Flashcards
What is a transition metal?
An element that forms at least one stable ion with a part full d-shell of electrons.
What is a ligand?
Substance that forms a dative bond with a transition metal due to its lone pair.
What is the coordinate number?
The number of coordinate bonds to ligands surrounding a transition metal.
What is a complex?
A metal surrounded by ligands.
What is a lewis acid?
An electron pair acceptor.
What is a lewis base?
An electron pair donor.
What does unidentate mean?
One coordinate bond.
What does bidentate mean?
Two coordinate bonds.
What is an example of a bidentate ligand?
1,2-diaminoethane ethanoate ion
What does multidentate mean?
EDTA4
What specific transition metal forms linear complexes?
Ag+
What is an example of a linear complex?
[Ag(NH3)2]+
What forms tetrahedral complexes?
Large ligands like Cl-
What is an example of a tetrahedral complex?
[CuCl4]2-
What forms a square planar complex?
Pt2+
What bond angle does a square planar complex have and what is the coordination number?
90° and 4
What is the most common complex shape?
Octahedral
What is an example of a square planar complex?
[PtCl4]2-
What is an example of an octahedral complex?
[Cu(H2O)6]2+
What does the overall charge of the complex depend on?
The charge of the central metal ion and its ligands.
How would you represent a copper with oxidation state 2+?
Cu(II)
What is the name of a water ligand in a complex?
Aqua
What is the name of ammonia ligand in a complex?
ammine
What is the name of chloride ligand in a complex?
Chloro
