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Dalton
discovered that all elements are different from each other due to different masses and everything is made of atoms ,all atoms of dikfferent substances have different weights
from his observations his theory was elements consisted of tiny particles called atoms
Http://the-history-of-the-atom.wikispaces.com/. N.p., n.d. Web. -
Bohr
he discovered electorns bounce between energy levels
he studied and used ideas from Rutherford
Http://the-history-of-the-atom.wikispaces.com/. N.p., n.d. Web. -
Thomson
discovered electrons and found out that atoms can be divided also included atoms are all made of positive cores and negatively charged particles within it
he used models and studied
Http://the-history-of-the-atom.wikispaces.com/. N.p., n.d. Web. -
Rutherford
discovered the atomic nucleus
he used the disinytergration theory of radioactivity which regards radioactive phenomena as atomic -not-melecular-possesses
Http://the-history-of-the-atom.wikispaces.com/. N.p., n.d. Web. -
Heinsburg and Schrodinger
discovered the behavior of electrons and the other subatomic particles taht aslo make up an atom
studied and ussed previous ideas from other philosophers
Http://the-history-of-the-atom.wikispaces.com/. N.p., n.d. Web. -
Democritus(400 BC)
he first founded the atomic theory which stated,'all objects are made up and can't be divided
he used thed method of conducting an experiment an using that data to ocme up with his theory
Http://the-history-of-the-atom.wikispaces.com/. N.p., n.d. Web. -
Aristotle(335 BC)
thought all materials on earth werent made of atoms but of elements like earth,fire,water,and, air
he wrote books and studied as his method
Http://the-history-of-the-atom.wikispaces.com/. N.p., n.d. Web.