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367
Aristotle
In 367 BCE Aristotle Desided that there was 4 elemets Earth, Water, Air and Fire -
460
Democritus
Democritus discovered atoms, that they are indestructible and that they move that you cannot count the number of atoms and there are different shapes and sizes -
Jan 1, 600
Kanada
Kanada was a Hindu philosopher from 600 BEC. He believed everything was divided and divided and divided until it was tiny, which he called paramanu. He believed it was indestructible. -
Newton
Isaac newton was born in England in 1642 and died 20 march 1727. He was a physics, astronomer, mathematician, and philosopher, He found out the atoms formed a solid, hard, impenetrable, movable partials with different shapes and sized. -
Dalton
Dalton was born on the 6th of September 1766 and died on the 27th on July 1844. He discovered that oxygen and carbon dioxide are different weights -
Thomson
Thomson was born on December 18, 1856, in England. He discovered that atoms have electrons,he thought that they where everywhere randomly like a plum pudding. Thomson won the nobel prize in 1906 -
Mosley
Henry Mosley 1887-1915 was a British chemist. He recovered x-rays to find out for of the atomic structure. -
Schrödinger
Schrödinger was born on the 12th of august 1887 and died on the 4th of January 1961 he worked out the equation that sees how electrons behave in a hydrogen atom. -
Chadwick
Chadwick discovered that atoms have newtons, people would now know why atoms weigh what they do. He wont the Nobel Prize in 1935 and was knighted in 1945 -
Bohr
Bohr determined how electrons move around the nucleolus. He worked out the more energy the electron has, the further away it orbits. -
Rutherford
Ernest Rutherford was born on the 30th of august, 1871. He died on the 19th of October 1937. He discovered that atoms have a nucleus, changing how we though it looked,as the atom is mostly space besides the nucleolus, this would be proving his teachers theory (Thomson) -
Aristotle
