Atomic Theory

Want to read the rest of this paper? Join Essayworld today to view this entire essay and over 50,000 other term papers

and sloids, the same procedure for
gas is followed, more or less. In the early 1960s, though, the
international union of chemistry and physics agreed that there would be a
new standard, carbon isotope (carbon-12).
British physicist Ernest Rutherford found and proved that an atom's
mass is concentrated in its its nucleus, which is the center of the atom.
He also gave the idea that parts of an atom, called its electrons, orbit
the nucleus. He said that the electrons were "negatively charged" and that
the protons were "positively charged". He said that the two charged always
equalled each other/cancelled each other out (making it neutral).
Danish physicist made what became known as the "Bohr Theory" for
atoms and atomics theory. He stated that electrons were arranged in seven
different orbits, or "quantum levels". He said that each of these levels
was capable of holding a different, limited number of electrons.
In 1919, Ernest Rutherford tried to bombard nitrogen gas with ...

Get instant access to over 50,000 essays. Write better papers. Get better grades. Already a member? Login

CITE THIS PAGE: