The Inert Pair Effect · Why Heavy Main-Group Elements Skip Two Oxidation States
unseel.com · 6s² · relativity · Pb·Tl·Bi
element Pb
state 6s² intact
step
6s² inert pair
6p valence electrons
bonded ligand (X)
nucleus (Z=82)
Unseel.com · Inert Pair Effect Unseel.com · The Inert Pair Effect — Concepts