This rock is made out of atoms(atomos).Atoms are solid and cant be separated. There also invisible.
I made the plum pudding model. I made the gold foil experiment. It detected and reflected particles at various angles.
Democritus (460Bce-370Bce)
John Dalton (1766-1844)
All matter is made of atoms atoms. Matter could not be created or destroyed. I Used data from air pressure and water vapor experiments to devise his atomic theory.
I use cathode ray tubes to help prove the atomic theory. Some particles produces ELECTRIC current. Some Atoms also have CHARGES.
j.J. Thomson (1856-1940)
Ernest Rutherford (1871-1937)
I used experimental data from emission, or discharge, and absorption spectra of elements to shape his theory. I believe electrons occupy SPECIFIC, or exact, energy levels.I said engry levels are specific distances from the nucleus.
Niels Bohr (1885-1962)
Erwin Schrödinger (1887-1961)
I modeled a wave equation that allowed scientists to identify the properties of electrons as both a wave and a particle. I believed electrons do not stay in a certain orbit. I believed the wave equation could predict the probable.
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