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Atomic History Atomic Structure & Nuclear Stuff

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Atomic HistoryAtomic Structure& Nuclear Stuff

Who did what when:

Democritus

Dalton

Thomson

Millikan

Rutherford

Chadwick

Electromagnetic Spectrum

Page 4: Atomic History Atomic Structure & Nuclear Stuff. Who did what when: Democritus Dalton Thomson Millikan Rutherford Chadwick

The Bohr Model

Page 5: Atomic History Atomic Structure & Nuclear Stuff. Who did what when: Democritus Dalton Thomson Millikan Rutherford Chadwick

Placing Electrons in the Quantum or Electron Cloud Model of the Atom

1s2 2s2 etc. for elements 1-38 ?????

Page 6: Atomic History Atomic Structure & Nuclear Stuff. Who did what when: Democritus Dalton Thomson Millikan Rutherford Chadwick

Valence electrons, shells; Dot diagrams & stuff

Page 7: Atomic History Atomic Structure & Nuclear Stuff. Who did what when: Democritus Dalton Thomson Millikan Rutherford Chadwick

Reading the Periodic Table squares

RbRubidium

85.468

Page 8: Atomic History Atomic Structure & Nuclear Stuff. Who did what when: Democritus Dalton Thomson Millikan Rutherford Chadwick

Isotopes

Ions

The difference between:

(remember isotopic notation)

( go over radii)

Page 9: Atomic History Atomic Structure & Nuclear Stuff. Who did what when: Democritus Dalton Thomson Millikan Rutherford Chadwick

Nuclear Energy

Alpha Decay:

Beta Decay:

Gamma Radiation:

Page 10: Atomic History Atomic Structure & Nuclear Stuff. Who did what when: Democritus Dalton Thomson Millikan Rutherford Chadwick

Uranium Decay series (for example)

Page 11: Atomic History Atomic Structure & Nuclear Stuff. Who did what when: Democritus Dalton Thomson Millikan Rutherford Chadwick

Half life Calculations

Ex: Manganese-56 is a beta emitter with a half-life of 2.6 hours. What is the mass of Mangenese-56 in a 1.0 mg sample of the isotope at the end of 10.4 hours?

4 half lives; .063mg Mn-56

Page 12: Atomic History Atomic Structure & Nuclear Stuff. Who did what when: Democritus Dalton Thomson Millikan Rutherford Chadwick

Fusion and Fission

Page 13: Atomic History Atomic Structure & Nuclear Stuff. Who did what when: Democritus Dalton Thomson Millikan Rutherford Chadwick

Uses of Radioactive Isotopes

Nuclear Power PlantSmoke Detection

Food Irradiation

Medical:

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atomic history atomic structure & nuclear stuff. who did what when: democritus dalton thomson...

Documents

beta decay

uranium decay series

radiinuclear energyalpha

valence electrons

beta emitter

gamma radiation

shells dot diagrams

isotopesionsthe difference