Trasition metals Flashcards
1
Q
Transition element
A
Element that has an incomplete d sub-shell in either its atoms or one of its comon ions
2
Q
Electron configuration of Cr and Cu
A
Cr - 1s2 2s2 2p6 3s2 3p6 4s1 3d5
Cu - 1s2 2s2 2p6 3s2 3p6 4s1 3d10
3
Q
Physical properties
A
- Strong, dense and hard
- High melting point
- Good conductor
- Shiny
4
Q
Why do transititon metals have such a high strength of metalic bond
A
As they have elctrons from the d sub-shell as well as the s sub-shell
5
Q
What are the chemical properties of transition metals
A
- Complex Formation
- Formation of coloured ions
- Variable oxidative states
- Catalytic activity
6
Q
What is Complex formation
A
when transition metals form complex ions. Complex ions eformed when a transition metal ion is surrounded by ions or other molecules, collectivly called ligands