-
400
Domocritus
said matter is made of indivisible particles called atoms -
John Dalton
Proposed an atomic theory with spherical solid mass in motion -
JJ Thompson
He descibed the atom as a ball of positive chares with a number of electrons. He tried to create a mathmatical formula for the number of protons. -
Earnest Rutherford
Conducted a "gold foil experiment" to prove that atoms had nucleus with a positive charge. -
Neils Bohr
He created the model with empty space with "orbital electrons" flowing around a mass. -
John Cockroft and Ernest Walton
On this day in the history of Atomic Timeline...they split the atom. -
James Chadwick
He discoverd the sub-atomic particles within the nuecleus. -
Schrodinger
Created the electron model with the possible location of an electron. -
Oppenhimer and Atomic bomb
he designed the atomic bomb out split atoms...created by Cockroft and Walton. -
The Hydrogen Bomb-Edward Teller
Edward Teller created the hydrogen bomb by fissing plutonium atoms and adding them with 100,000,000 degree fissed hydrogen atoms and when the bomb explodes the fuse together and explodes with a maxium amt. of energy....boom....big boom. -
Electron Microscope
Electron microscope constructed by Ernst Ruska in 1933 after the discovery of electrons by JJ Thompson
