Physical Chemistry

6.626×10-34 Js
Photoelectric Effect is…
? is
the minimum energy to remove an electron
de Broglie relation is


  • h= 6.626×10-34 Js
  • m= 9.11×10-31 Kg
  • v= velocity

Heisenberg Uncertainty Principle states
You can know the location of an electron but not its velocity, or you can know the velocity but not its location
The uncertainty principle is….
?p?x?.5 (h/2?)

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