mar 6, 1911 - Ernest Rutherford
Description:
Using alpha particles as atomic bullets, probed the atoms in a piece of thin (0.00006 cm) gold foil . He established that the nucleus was: very dense,very small and positively charged. He also assumed that the electrons were located outside the nucleus.Added to timeline:
Date:
mar 6, 1911
Now
~ 115 years ago