-
101
Thales 624 bc
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101
Democritus 460 bc
First person to think of an atom thought it was a solid sphere -
101
Aristotle 384bc
said everything was made of fire, water, earth, and air -
101
Isac Newton 1702
matter is form of solid importnt particles -
101
Dlaton1802
Atomic theory -
101
Henri Becqueres 1896
discovered radio activity -
101
Joseph 1897
the existence of models -
101
JJ thomson 1897
electricity was ran threw an empty tube -
101
Ernest rutherfood
dicovered the nucleus -
101
militah 1909
found the chore of an electron -
101
niels bohr 1911
created the bohr model of the atom -
101
Erwin shroding 1926
proved bohr wrong