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ATOM MODELS

 Atom is the most little building bloclk of a live.It first appeared  in b.c. 400 years.There is 8 man who came up the atom ideas Now it's time to learn it's history


                   

                                                            Democritus( B.C.400)

He named  this particle ''atomos''.It means indivisible but in our age we say ''atom''.


                                                    JOHN DALTON

The first scientyst who made the first scientific approach.Acording to him it's like indivisible and full inside berk globes. 



GEORGE (1891)

 He found nagetive loads in atom.Named electron to atom's negative load.


                                                        JOHN THOMSON (1897)
He found that atom is the most less thing.Then he said that atom like grape cake.Cake was  positive loads and grape were negative loads.So he found atom can break apart.

ERNEST RUSHFORD

(1911)


He named the positive charges as protons and also named the place where the positive charges are located as the nucleus. This model is likened to the solar system.


NİELS BOHR


(1913)



He said that electrons do not wander around the nucleus as they wish, and that they can return to the nucleus in layers at certain distances






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