CIE A Level Chemistry復習筆記6.2.8 Coloured Complexes
Coloured Compounds & Electron Promotion Most transition element complexes are?coloured A transition element complex solution which is coloured,?absorbs?part of the electromagnetic spectrum in t...
CIE A Level Chemistry復習筆記6.2.7 Degenerate & non-Degenerate d Orbitals
Define Degenerate & non-Degenerate d Orbitals There are?five d orbitals?in an?isolated?transition element atom or ion An isolated transition element is one that is not bonded to anything else T...
CIE A Level Chemistry復習筆記6.2.6 Geometry of Complexes
Geometry of the Transition Element Complexes Depending on the?size of the ligands?and the?number of dative bonds?to the central metal ion, transition element complexes have different geometries Dat...
CIE A Level Chemistry復習筆記6.2.5 Defining Complexes
Define Complex A?complex?is a molecule or ion formed by a?central metal atom?or ion?surrounded by one or more?ligands A ligand is a species that contains one or more?lone pairs of electrons The lig...
CIE A Level Chemistry復習筆記6.2.4 Ligands
Define Ligand A?ligand?is a molecule or ion that has?one?or?more?lone pairs of electrons These lone pairs of electrons are donated by the ligand, to form?dative covalent bonds?to a central metal at...
CIE A Level Chemistry復習筆記6.2.3 Transition Metal Complexes
Transition Elements: Ligands & Complex Formation Transition element ions can form complexes which consist of a?central metal ion?and?ligands Copper(II) and cobalt(II) ions will be used as examp...
CIE A Level Chemistry復習筆記6.2.2 Oxidation States of Transition Metals
Effects of the 3d & 4s Subshells on Oxidation States of the Transition Elements Transition elements can have?variable oxidation states These variable oxidation states can be formed as the 3d an...
CIE A Level Chemistry復習筆記6.2.1 General Properties of the Transition Elements: Titanium to Copper
Define Transition Element Transition elements?are d-block elements which form?one?or?more?stable?ions?with an?incomplete d subshell They are all metals found in the d-block of the Periodic Table, b...
CIE A Level Chemistry復習筆記6.1.1 Similarities, Trends & Compounds of Magnesium to Barium
Effect of Ionic Radius on Thermal Stability of Group 2 Nitrates & Carbonates The Group 2 nitrates and carbonates become?more thermally stable?going down the group The?charge density?of the cati...
