1
The definition
Transition metals occupy the d block (groups to ). The criterion: a partially filled subshell in at least one common oxidation state. Zn, Cd and Hg (group ) are often excluded: in the state their subshell is full, .
University10 min
Transition metals: configurations and oxidation states
Write the configuration of a 3d metal and its ions without slips, find an oxidation state in an oxoanion, and predict a redox reaction from standard potentials.
The essentials
2
Configurations and their exceptions
Members only
3
Ionisation: 4s leaves first
Members only
4
Multiple oxidation states
Members only
5
Properties and potentials
Members only