Provide a short and specific definition in YOUR OWN WORDS. Do not use the definition from the book. Electromagnetic Radiation
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1 Name: Provide a short and specific definition in YOUR OWN WORDS. Do not use the definition from the book Additional Notes: Electromagnetic Radiation Electromagnetic Spectrum Wavelength Frequency Photoelectric Effect _ Quantum Photon Ground State Excited State Line-emission Spectrum 1
2 Continuous Spectrum Heisenberg Uncertainty Principle Quantum Theory Orbital Quantum Number Principle Quantum Number Angular Momentum Quantum Number Magnetic Quantum Number Spin Quantum Number Electron Configuration 2
3 Aufbau Principle Pauli Exclusion Principle Hund s Rule Noble Gas Nobel-gas Configuration 3
4 Section Give 3 examples of electromagnetic radiation. a. b. c. 2. What is the wavelength range for visible light? 3. Light moves at m/s in a vacuum. 4. Violet light has a wavelength of 4.10 x m. What is the frequency? 5. Green light has a frequency of 6.01 x Hz. What is the wavelength? 6. Calculate the wavelength of radiation with a frequency of 6 x Hz. 7. Draw a wave (on the line below) and label the amplitude, crest, trough, and identify a wavelength. 4
5 8. Who discovered quanta and what is it? 9. State Planck s constant. 10. Ultraviolet radiation has a frequency of Hz. Calculate the energy, in joules, of the photon. 11. What is the frequency of radiation with a 2.5 x J of NRG? 12. Contrast the ground state and excited state of an atom. 13. What is meant by the dual wave-particle nature of light? 14. Describe Bohr s model of the atom. 5
6 15. Which NRG level change in, Picture A, emits of absorbs the highest NRG? 16. Which NRG level change in, Picture A, emits of absorbs the lowest NRG? Picture A When an electron moves from E 1 to E 3, is it absorbing NRG or releasing NRG? Explain how you know this. 18. The Emission-Line Spectrum for a sample found on a distant planet is given to you. How could you use this to identify the element(s) present in the sample? 6
7 19. Which has a longer wavelength, orange or blue light? 20. Which has a higher frequency, orange or blue light? 21. A light is found to have a wavelength of 5.3 x 10-7 m. What is the frequency of the light? 22. What is the frequency of a photon that has 2.58 x J of NRG? 7
8 Section When talking about light a. What does destructive interference mean? b. What does constructive interference mean? c. What does diffraction mean? 24. State de Broglie s equation. 25. What is the mass of an electron, in kilograms? 26. What is the frequency of an electron that has a frequency of 2.6 x 10 2 Hz? 27. An electron has a wavelength of 4.6 x 10-6 m, what is the frequency of this electron? 8
9 28. State the Heisenberg Uncertainty Principle in YOUR OWN WORDS. 29. Identify each of the 4 quantum numbers and the properties they represent. a. b. c. d. 30. The orbital is spherical. a. p b. s c. d d. combination of s and p e. 31. The orbital is dumbbell shaped. a. p b. s c. d d. combination of s and p 32. How many electrons can the following NRG levels hold? a. NRG level 2 b. NRG level 3 _ 9
10 33. Complete the following table. Principal Quantum Number Number of Sublevels Types of Sublevel(s) Draw the s and a p orbital. s p 35. Complete the following table. Orbital Type s p MAX electrons it can hold
11 Section 4.3 H 36. Fill in the orbitals (Draw your own orbitals AND fill them in for Br) He Be N Ne Al Cl Cr Br 37. Write out the electron configuration notation for the following elements. H He C F Al P Cr Sodium 11
12 38. Give me the element for the following. 1s 2 2s 2 2p 1 1s 2 2s 2 2p 6 3s 2 1s 2 2s 2 2p 6 3s 1 1s 2 2s 2 2p 6 3s 2 3p 5 1s 2 2s 2 2p 6 3s 2 3p 6 4s State the Pauli Exclusion Principle: 40. State the Aufbau Principle: 41. State Hund s Rule: 12
13 42. Which 2 columns in the periodic table contain the electron configuration exceptions? a. Column b. Column 43. Why do those 2 columns have those exceptions? 44. What is an octet of electrons and which elements contain the octet? 45. Determine the highest occupied NRG level for the following elements. a. He b. Mg c. P d. Sn 13
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