Chemistry 3.4 - Nuclear Chemistry

• Protons symbol?

  1

  P

  1
• Neutron symbol?

  1

  N

  0
• Electron symbol?

  0

  E

  -1
• Name the three types of radiation?

  Alpha, Beta, Gamma
• Alpha radiation?

  Penetration = weak

  Stopped by = paper

  Charge = 2+

  Mass = 4

  Nuclide Notation = 4

  He

  2
• Beta radiation?

  Penetration = medium

  Stopped by = aluminum

  Charge = -

  Mass = 0

  Nuclide Notation = 0

  e

  -1
• Gamma radiation?

  Penetration = high

  Stopped by = thick lead

  Charge = N/A

  Mass = N/A

  Nuclide Notation = N/A
• For alpha / beta decay what do you do?

  add the nuclei notation to the element
• Define half life?

  Time taken for half of a substance to decay.
• Nothing affects the half life