General properties of transition metals

• Transition metal characteristics of elements Ti-Cu arise from an incomplete d sub-level in atoms or ions
• what are 4 characteristics properties of transition metals?

  Complex formation

  formation of coloured ions

  variable oxidation state

  catalytic activity
• Define: d block element

  An element whose highest energy electron is in a d subshell
• Define: transition element


  An element that has an incomplete d sub-shell as an atom or ion
• what is a complex

  a central metal atom or ion surrounded by ligands