atom

Who Discovered Atom

They are as small as one-Angstrom diameter hydrogen, or as large as the heavyweight uranium atom, which is 238 x heavier than hydrogen. They are...

Who discovered the Neutrino?

Neutrinos are among the most elusive of elementary particles. They were not detected until about 25 years after they were first suggested to exist. Prediction...

atomic-structure

Niels Bohr Biography

Niels Bohr, Danish Scientist and Teacher, of the Atomic Structure Fame. Brief biography and philosophy of Niels Bohr, famous for the atomic structure model, the...

Who Discovered the first Neutron

The Discovery of the Neutron. In 1932, James Chadwick proved that the atomic nucleus contained a neutral particle which had been proposed more than a...

Who Discovered the first Electron

J.J. Thompson and the First Subatomic Particle. The first discovery of a subatomic particle would come in 1897, when J.J. Thompson first discovered evidence for...

Which Scientist Discovered the Atom

Gaining a Perspective of Atomic Sizes. Much of the difficulty scientists had in discovering, and then proving the existence of, atoms, is their size. Something so...

What is Jean Perrin’s Atomic Theory

Calculating Avogadro’s Constant┬áJean Perrin brilliantly confirmed Einstein’s ideas on Brownian motion by the empirically calculating Avogadro’s Constant, conclusively proving Dalton’s atomic theory. History of Atomic...

Who Invented the first Atom

John Dalton English Chemist, Meteorologist, Physicist, Teacher. Brief biography of John Dalton, scientist and weather pioneer who established the modern concept of atoms known as...