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370
Democritus (370BC)
All matter is made up of particles called atoms.
"What Democritus Thought." Democritus Model. N.p., n.d. Web. 25 Feb. 2014. -
400
Aristotle (400 BC)
Thought that everything was made up of the four elements fire, air, water, and earth.
"Aristotle (384-322 B.C.E.)." Aristotle. N.p., n.d. Web. 25 Feb. 2014. -
Dalton
matter is made up of atoms (tiny particles) and all atomns are the same.
"Science Blogs." Dot Physics. N.p., n.d. Web. 25 Feb. 2014. -
Thompson
The atom has electrons and it is different on the inside, it has more particles.
Science Blogs." Dot Physics. N.p., n.d. Web. 25 Feb. 2014. -
Rutherford
The electrons are small and negative, atom must have a small nucleus with many electrons around them.
Science Blogs." Dot Physics. N.p., n.d. Web. 25 Feb. 2014. -
Bohr
electons are small and negatively charged, the protons are in the nucleus and only certain colors of light can be absorbed or emitted.
"Science Blogs." Dot Physics. N.p., n.d. Web. 25 Feb. 2014. -
Heisenberg and Schrodinger
Electrons werent spinning in orbit but act like hyper active flies, they buzz around the atom streching in different shapes.