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Democritus was an ancient Greek philosopher who lived from 4
neils bohr
Robert Millikan
neils bohr was born on october 7 1885 worked out the problem in the atom's structure. he was allso the lead phyisist on the manhattan project. and introduced the quantum theory
Robert Millikan was born in 1856 and discovery the electron Starting in 1908, while a professor at the University of Chicago, Millikan worked on an oil-drop experiment in which he measured the charge on a single electron.
Albert Einstein
werner heisenberg
Einstein is probably familiar to most people for his mathematical equation about the nature of energy E = MC2. Albert Einstein was born in Germany in 1879 he worked in new jersey till his death Einstein developed a theory about the relationship of mass and energy. The formula, E=mc[2],
Max Planck
Max Karl Ernst Ludwig Planck was born in Kiel, Germany, on April 23, 1858. He was considered to be the initial founder of quantum theory, and one of the most important physicists of the 20th Century.
was born on December 5 1901. he had many contributions to quantum mechanics. He devised a method to formulate quantum mechanics in terms of matrices. he is considerd the greatest nuclear physicist
Ernest Rutherford
Ernest Rutherford was born on August 30, 1871, in Nelson, New Zealand. Ernest Rutherford discovered the nucleus of the atom in 1911. He believed
James Chadwick
J.J Thomson
In 1897 the British physicist Joseph John J.J Thomson 1856–1940 discovered the electron in a series of experiments designed to study the nature of electric discharge in a high-vacuum cathode-ray tube.
in 1932 James Chadwick introduced the existence of the proton and newtron.In 1932, while working under Ernest Rutherford at Cambridge, James Chadwick proved the existence of neutrons. James Chadwick discovered the neutron in 1932 and was awarded the Nobel Prize for Physics in 1935.
John Dalton
DEMOCRITUS
he believed these four theory's : 1) All matter is made of atoms. Atoms are indivisible and indestructible.
2) All atoms of a given element are identical in mass and properties
3) Compounds are formed by a combination of two or more different kinds of atoms.
4) A chemical reaction is a rearrangement of atoms.
Democritus was an ancient Greek philosopher who lived from 460 BC to 370 BC.Democritus claimed that everything is made up of atoms. He Believed than as things get smaller there becomes a point where it is unbreakable. He helped to propose the earliest views on the shapes and connectivity of atoms.