• The prevalence of
many stable oxidation
states distinguishes the
T-Metals from the main group
metals.
Na, NaCl Fe, FeO, Fe2O3
0
+1 0 +2 +3
• The origin of multiple stable oxidation
states lies in the close
energetic spacing
of
the 4s and 3d (for 1st row TMs) orbitals
which are available for bonding.