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Electromagnetic spectrum
 

Electromagnetic spectrum

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    Electromagnetic spectrum Electromagnetic spectrum Presentation Transcript

    • Unit II Art & the Atom 4. Electromagnetic Spectrum & the Electron
    • What is (visible) Light? The natural agent that stimulates sight and makes things visible; electromagnetic radiation from about 390 to 740 nm in wavelength
    • Flame Test 1.  Record substance, name and formula. 2.  Note where each metal from the compound is on the periodic table. 3.  Take wood splint and place in flame. 4.  Record color of flame. (Be specific.) 5.  Rinse splint water & then throw in garbage. 6.  Rotate to next station when told. 7.  Take turns @ each station.
    • c = λ • υ 8 10 c = speed of light (3.00 x m/s) λ = wavelength (nm) υ = frequency = Hz (1/s)
    • Slinky
    • A Quantum Bohr
    • E = h • υ -34 10 h = Planck’s Constant (6.626 x E = Energy (J) υ = frequency = Hz (1/s) J•s)
    • Demo & Videos
    • What does this have to do with the Atom?
    • Atomic Emission Spectrum
    • Workshop Time