Chemistry CP Atomic Structure Verison A 11-12 Name _____________________ Date ______________ Per ____ Part I. Multiple Choice (2 points each) _____1. Doubling the frequency of a wave will: a. cut energy in half c. double the energy b. there is no change in energy d. there is the same amount of energy _____2. Which part of the spectrum has the lowest frequency? a. radio waves c. gamma rays b. visible d. each part has the same frequency _____3. Which part of the spectrum has the shortest wavelength? a. radio waves c. gamma rays b. visible d. each part has the same frequency _____4. Which color of visible light has the highest energy? a. indigo c. yellow b. red d. violet 5. The graph above best represents the relationship between the: a. energy and wavelength of light b. wavelength and frequency of light c. energy and frequency of light d. shaving and beard length 1 Use the diagram below to answer the following questions: _____ 1s2 _____ 2s2 _____ _____ _____ 2p6 _____ 3s2 _____ 6. What does the “2” in 2p6 represent? a. energy level b. sublevel _____ _____ _____ 3p1 c. orbital d. # of electrons _____ 7. What does the “6” in 2p6 represent? a. energy level c. orbital b. sublevel d. # of electrons _____ 8. What do the lines represent? a. energy levels b. sublevels c. orbitals d. # of electrons _____ 9. Which element is represented by the orbital diagram? a. sulfur c. aluminum b. phosphorus d. boron _____ 10. The natural nuclear emission with the greatest penetrating power is a. alpha particles c. gamma rays b. Beta particles d. positron emission _____ 11. The natural nuclear emission that will be attracted toward a positive electric field is a. alpha particles c. gamma rays b. Beta particles d. positron emission ______ 12. Which nuclear emission represents the greatest loss in mass: a. alpha radiation c. beta decay b. gamma radiation d. positron emission 2 PART II: SHORT ANSWER: 1 POINT EACH 3 2 A C 1 B D Use the diagram above to answer the following questions: (circle the correct answer) 10. Which letters represent jumps that require energy to be absorbed? A&C 11. Which number represents the ground state of an electron of hydrogen? 12. Which number represents the highest excited state? 1 2 1 2 B&D 3 3 13. On the diagram above label the wavelength. 14. On the diagram above label the amplitude. 15. On the diagram to the left, draw an arrow that points to the hottest part of the flame. 3 16. Write the complete reaction for each nuclear process below: (2 points each) a. b. d. (alpha decay ) (beta decay with gamma radiation) (beta capture) 17. Fill in the blanks to complete the reactions below: (1 point each) a. b. ______ + + + ______ + 18. The half life of Ac-228 is 6.13 hours. unreactive after 24.52 hours? (3 points) How much of a 540g sample of Ac-228 remains 19. Determine the half-life of an isotope if a 840g sample of the isotope decays to 52.5g in 625 days. (3 points) 4 Fill in the chart below: You may use the abbreviated electron configuration and abbreviated orbital filling diagram. Element Electron Configuration (2 points each) Orbital Filling Diagram (2 points each) Electron Dot Diagram (1 pt each) 11Na 56Ba 27Co 40Zr 5 6