Atoms and Shells — the Lone Outer Electron – Elektrizität und Magnetismus
Shells fill 2, 8, 18 — and copper is left with its twenty-ninth electron alone in a shell that could hold thirty-two. It is the furthest out, and r is squared in Coulomb law, so a small nudge frees it.
atomic structureshellscoppervalence electronsCoulomb law
