Module 6 The Structure of Atoms 1 2 3 4 5 6 7 Electromagnetic Radiation Quantization Atomic Line Spectra Particle Wave Duality Modern View Wave or Quantum Mechanics Shape of Atomic Orbitals Electron Spin ConcepTest Which colors arranged from lowest to highest frequencies A blue green red B yellow blue green C green yellow red D red yellow blue E none of these ConcepTest Microwave ovens operate at 2 45E9 Hz What is the wavelength of that radiation A 4 08E 10 m B 7 35E17 m C 0 122 m D 1 22 nm E none of these ConcepTest What is the energy of 0 122 m radiation from a microwave oven h 6 626E 34 J s A 1 99E 25 J B 1 63E 24 J C 2 42E 26 J D 5 43E 33 J E 2 4E 6 J F none of these Electromagnetic Radiation Energy Frequency Increase Wavelength Increases Cosmic Rays X Rays UV Visible Light Infrared Microwave Radio wave Ionizing Radiation 1 photon makes molecules fall apart E h or E hc ConcepTest Which statements are TRUE concerning the photoelectric effect i ii iii A i ii Discovered by Einstein and rewarded with Nobel prize Protons ejected from metal surface electrons not protons Require and energy threshold B i iii C ii iii D i ii iii E none of these The Photoelectric Effect Light strikes surface of some metals causing electron to be ejected if the E of photon is enough magnitude Einstein explained the effect 1921 Nobel Prize Quantization steps ConcepTest Which statements are TRUE concerning the emission spectra i ii Series of discreet lines Predicted by the Bohr atomic model iii A i ii Characteristic of specific elements B i iii Atomic Spectra and Bohr Atom C ii iii D I iii iii E none of these