HISTORY OF THE DEVELOPMENT OF THE ATOMIC MODEL

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MODERN <strong>ATOMIC</strong> <strong>THE</strong>ORY • Not all aspects of Daltons atomic theory have proven to be correct. We now know that: • Atoms are divisible into even smaller particles. • A given element can have atoms with different masses. • Some important concepts remain unchanged. • All matter is composed of atoms. • Atoms of any one element differ in properties from atoms of another element.
1 st Model of the Atom Billiard Ball Model
Page 1 and 2: Greeks to Quantum Mechanics HIS
Page 3 and 4: Fire Water Earth Air
Page 5 and 6: Alchemy § After that chemistry
Page 7 and 8: Contributions of alchemists: Inf
Page 9 and 10: Modern Chemistry • Beginnings
Page 11 and 12: • The transformation of a sub
Page 13 and 14: • Law of definite proportions:
Page 15 and 16: • Law of multiple proportions:
Page 17 and 18: DALTON’S ATOMIC THEORY • All
Page 19: John Dalton(1766-‐1844)
Page 23 and 24: Michael Faraday § English chemi
Page 25 and 26: ** William Crookes (1870s): Ray
Page 27 and 28: 2 nd Model of the Atom § Thom
Page 29 and 30: Henri Becquerel § French physic
Page 31 and 32: Gold Foil Experiment gold foil beam
Page 33 and 34: History of Atomic Theory § Rut
Page 35 and 36: History of Atomic Theory QuickT
Page 37 and 38: 3 rd Model of the Atom The Ru
Page 39 and 40: History of Atomic Theory § A
Page 41 and 42: Niels Bohr § Danish Physicist,
Page 43 and 44: 4 th Model of the Atom Bohr’
Page 45 and 46: James Chadwick § British physic
Page 47 and 48: 5th Model of the Atom § Devel
Page 49 and 50: Bohr Model
Page 51 and 52: To Be Continued… § http://www

HISTORY OF THE DEVELOPMENT OF THE ATOMIC MODEL

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