The Atom & Spectra

quantum physics lesson 2 The Atom

Absorption Spectrum ,[object Object],[object Object],[object Object]

Emission Spectrum ,[object Object]

Absorption and emission spectra for the same gas

Emission spectrum of hydrogen ,[object Object],[object Object]

Angstrom’s Measurements ,[object Object],[object Object],[object Object],[object Object]

Balmer Series ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object]

Rydberg Formula ,[object Object],[object Object],[object Object],[object Object],[object Object]

Limitations of Rutherford’s Model 1913

3. How do electrons orbit around the nucleus to form a stable atom and how does this movement account for observed spectral patterns. ,[object Object],[object Object],[object Object],[object Object]

Bohr Postulate 1 ,[object Object],[object Object]

Bohr Postulate 2 ,[object Object],[object Object],[object Object],[object Object],[object Object]

Bohr Postulate 3 ,[object Object],[object Object]

Bohr Postulate 4 ,[object Object]

Allowed energy orbits ,[object Object],(1)

[object Object],[object Object],(2)

Radius of electron orbit ,[object Object],[object Object],(4) (3)

[object Object],[object Object]

Quantum Numbers ,[object Object],[object Object],[object Object],[object Object],[object Object]

Frequency of emitted photon ,[object Object]

Comparison to Rydberg equation ,[object Object],[object Object]

Emission and Absorption of photons

Energy Level Diagram for Hydrogen ,[object Object],[object Object],[object Object]

This explains why some nebulae are red or pink in colour One of the possible photon emissions corresponds to the emission of red light

Ions ,[object Object],[object Object]

The Atom & Spectra

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The Atom & Spectra