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CH06 – Spectra

spectra

Dates:

  • P1 – Thursday, September 8th
  • P3 – Friday, September 9th
  • P5 – Friday, September 9th

Class Business

  • return homework – questions?
  • activity on the Circle – thoughts?

Pulling Together

  • how do we know empty space? (Rutherford)
  • how do we know levels? (lines)

Activity – Line Spectra

  • funny glasses (look at light)
  • spectroscope (explain)
  • Spectroscope (look at light)
  • circulate among four stations
  • different tubes – different light
  • sharing on what is seen
  • how do we explain?

Quantum Theory

  • electrons exists in levels
  • give energy – jump up
  • fall back down – emit energy
  • lines happen when electrons return to lower level from higher level
  • difference in energy = color of light seen
  • subtracting E between levels tells you the color
  • different elements = different energy levels = unique lines

Homework

  • Chapter Notes: 7.1 – 7.4 (PDF to Schoology)

 

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This entry was posted on September 8, 2016 by in 1617 and tagged , .

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