This document discusses several historical atomic models: Democritus' model of indivisible atoms, Dalton's model proposing atoms as tiny spheres, Lewis' model depicting atoms as balls and sticks representing bonds, Rutherford's model discovering the nucleus, Sommerfeld's model adding electron shells, and Schrodinger's model introducing quantum mechanics and probability distributions of electrons.

1. MODELO ATOMICO DE DEMOCRITO
MODELO ATOMICO DE DALTON

2. MODELO ATOMICO DE LEWIS
MODELO ATOMICO DE RUTHERFORD

3. MODELO ATOMICO DE SOMMERFELD
MODELO ATOMICO DE SCHRODINGER