jan 1, 1911 - Ernest Rutherford
Description:
His model described the atom as a tiny, dense, positively charged core called a nucleus, in which nearly all the mass is concentrated. Around, there are negatively charged particles called electrons circulating at some distance. He made the discovery of the nucleus with his Gold Foil experiment.Added to timeline:
Date:
jan 1, 1911
Now
~ 115 years ago