Atomic Structure Unit Study Guide Name: Chemistry Due Date: . The
advertisement
Atomic Structure Unit Study Guide Chemistry Name: ___________________________________ Due Date: _________________ _____________________1. The way in which valence electrons are illustrated _____________________2. Electrons in the outermost energy level of an atom _____________________ 3. The number of energy levels _____________________ 4. Maximum number of valence electrons _____________________ 5. Number of electrons in the 7 energy levels from lowest to highest _____________________ _____________________ _____________________ _____________________ _____________________ _____________________ _____________________ 6. The number of filled energy levels depends on the amount of these _____________________ 7. The spectrum of light released when electrons become excited _____________________ 8. Have the highest energy and shortest wavelengths _____________________ 9. First observed by Wilhelm Conrad Roentgen _____________________10. The sun is the main source of this type of radiation _____________________11. This is the light we are normally able to see _____________________12. The colors of the visible light spectrum _____________________ _____________________ _____________________ _____________________ _____________________ _____________________ Atomic Structure Unit Study Guide Chemistry Name: ___________________________________ Due Date: _________________ _____________________13. We experience this type of radiation as heat from fires _____________________14. Used in Doppler radar for weather forecasting purposes _____________________15. Have the longest wavelengths and the lowest energy _____________________16. Consists of all the possible energies, frequencies, and wavelengths of electromagnetic waves _____________________17. Two devices that allow us to see the world in infrared _____________________ _____________________18. The distance from one crest to the next in a wave _____________________19. He proved the existence of radio waves in the last 1880’s _____________________20. The number of waves per second _____________________21. One wave per second is equal to a _____________. _____________________22. Electromagnetic radiation waves have these two properties _____________________ _____________________23. The speed of light _____________________24. Two properties of waves _____________________ _____________________25. The ability to exert a force over a certain distance _____________________26. The _______ motion of electrons keeps them from being attracted to the positive nucleus _____________________27. Is the smallest particle of an element that retains its identity _____________________28. First determined what an atom was _____________________29. The idea that all matter is made of atoms is called _____________________30. French taxman who contributed to the atomic theory _____________________31. The principle that all compounds are always in certain proportions by mass _____________________32. French chemist who observed the chemical composition of water _____________________33. Lavoisier’s main contribution to the atomic theory Atomic Structure Unit Study Guide Chemistry Name: ___________________________________ Due Date: _________________ _____________________34. Helped to develop the modern atomic theory and also researched color blindness _____________________35. The three most important subatomic particles _____________________ _____________________ _____________________36. Smaller parts of atoms _____________________37. Name three other types of subatomic particles _____________________ _____________________ _____________________38. Discovered the proton in 1886 _____________________39. Discovered the electron in 1897 by accident _____________________40. Discovered the nucleus in 1909 using alpha particles and gold foil _____________________41. The dense central portion of an atom _____________________42. The name of Thomson’s model of the atom _____________________43. Name of Rutherford’s atomic model _____________________44. He suggested electrons orbit the nucleus like planets _____________________45. Electron can only be in certain ones of these _____________________46. He calculated the mass of an electron in 1916 _____________________47. He created the quantum mechanics model of the atom using math in 1926 _____________________48. Location of electrons in quantum mechanics model _____________________49. Discoverers of the neutron _____________________ _____________________50. Building blocks of molecules _____________________51. Three scientists who were instrumental in developing the wave-particle duality of nature model of the atom ____________________ _____________________ Atomic Structure Unit Study Guide Chemistry Name: ___________________________________ Due Date: _________________ _____________________52. The modern periodic table is ordered by this _____________________53. Number of protons in an atom _____________________54. Number of protons plus neutrons _____________________55. Is equal to one-twelfth of the mass of a carbon-12 atom _____________________56. Is a weighted average of the masses of all naturally occurring isotopes of an element _____________________57. Atoms of the same element that differ by the number of neutrons in the nucleus _____________________58. The atomic mass of an atom is most greatly influenced by the most common _____. Subatomic Particle Calculations: Calculate the # of protons, electrons, & neutrons in the following isotopes 59. Magnesium-26 60. Nitrogen-15 61. Selenium-77 62. Tungsten-180 63. Mercury-196 Atomic Structure Unit Study Guide Name: ___________________________________ Chemistry Due Date: _________________ Lewis Dot Diagrams Draw Lewis dot diagrams for the following elements. (1 point each) 64. Strontium 65. Sulfur 66. Lead 67. Gallium 68. Xenon Short Answer Questions: 69. How are we able to perceive colors not in the visible spectrum or in rare cases ultraviolet light. (2 points) 70. How do electrons exhibit both electric and magnetic properties? (3 points) Atomic Structure Unit Study Guide Name: ___________________________________ Chemistry Due Date: _________________ 71. What parts of Democritus’s theory were wrong about atoms? (3 points) 72. What three things were wrong with Dalton’s atomic theory? (3 points) 73. Fill in the chart that outlines the properties of the 3 main subatomic particles down below. Subatomic Particle Symbol Charge Mass (in grams) Location Proton Electron Neutron 74. Draw what an atom looks like according to the modern atomic theory. Label all five parts. (5 points)
