In atomic physics and quantum chemistry, the electron configuration is the arrangement of electrons in an atom, molecule, or other physical structure (e.g., a crystal). Like other elementary ...

Lead With A Poisonous Electron Shield: Free Pair Of Electrons May Be The Source Of Lead's Toxicity Date: January 17, 2007 Source: John Wiley & Sons, Inc. Summary: At a molecular level, what causes ...

As they have reported in Angewandte Chemie, it seems that the lead's "electron shield" is the main culprit. Lead does the most damage to the nervous system, kidneys, liver, brain, and blood.