HW5 - nguyen(jn9225 H05 Atomic Theory mccord(50950 This...

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nguyen (jn9225) – H05: Atomic Theory – mccord – (50950) 1 This print-out should have 33 questions. Multiple-choice questions may continue on the next column or page – fnd all choices beFore answering. 001 10.0 points The work Function For chrominum metal is 4.37 eV. What wavelength oF radiation must be used to eject electrons with a velocity oF 4800 km / s? Answer in units oF nm 002 10.0 points Which oF the Following provided evidence that the electrons in atoms are arranged in distinct energy levels? 1. the de±ection oF ions in a mass spectrom- eter 2. the results oF the Millikan oil-drop exper- iment 3. the existence oF elements with noninteger values For atomic weights 4. the scattering oF α particles by a metal Foil 5. the observation oF line spectra From gas discharge tubes 003 10.0 points Assume n 1 and n 2 are two adjacent energy levels oF an atom. The emission oF radiation with the longest wavelength would occur For which two values oF n 1 and n 2 ? 1. 6,5 2. 2,1 3. 7,6 4. 5,4 5. 8,7 6. 3,2 7. 4,3 004 (part 1 of 3) 10.0 points Use the Rydberg Formula For atomic hydrogen to calculate the wavelength For the transition From n = 4 to n = 2. 1. 8.63 nm 2. 486 nm 3. 94 . 9 nm 4. 205 nm 5. 2.45 nm 005 (part 2 of 3) 10.0 points What is the name given to the spectroscope series to which this transition belongs? 1. Brackett series 2. Balmer series 3. Paschen series 4. PFund series 5. Lyman series 006 (part 3 of 3) 10.0 points In what region will the light lie? 1. visible, yellow 2. inFrared 3. visible, blue 4. visible, red 5. x-ray, gamma ray 6. ultraviolet 007 10.0 points Ψ 2 ( x, y, z ) is related to
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This note was uploaded on 09/25/2011 for the course CHEM 301 taught by Professor Wandelt during the Fall '08 term at University of Texas.

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HW5 - nguyen(jn9225 H05 Atomic Theory mccord(50950 This...

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