-
though all things were made of water
-
Thought all matter was made up of atoms
-
Thought everything was made of water, fire, earth, and air
-
Thought matter was formed of solid, massy impenterable particles
-
The Atomic Theory:
1. all matter is made of atoms
2. atoms are indivisible and indestructible
3. all atoms of a given element are identical in mass and properties
4. compounds are formed by a combination oof two or more different kinds of atoms
5. a chemical reaction is a rearrangement of atoms was the first to have expiermental evidence model -
discoverd radioactivity
-
was widley recognized for his discovery of the electrom
-
discovered the nucleus
-
found the charge of an electrom
-
- created the Bohr model of the atom
- thought that electroms orbit around the nucleus
-
- the quantum mechanical
- predicted the odds of a electrom location
- proved Bohre model wrong
-
proved existence of neutrons