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Test - Unit 3.2: The Periodic Table 1. _____ 21. _____ 2. _____ 22. _____ 3. _____ 23. _____ 4. _____ 24. _____ 5. _____ 25. _____ 6. _____ 26. _____ 7. _____ 27. _____ 8. _____ 28. _____ 9. _____ 29. _____ 10. _____ 30. _____ 11. _____ 31. _____ 12. _____ 32. _____ 13. _____ 33. _____ 14. _____ 34. _____ 15. _____ 35. _____ 16. _____ 17. _____ 18. _____ 19. _____ 20. _____ Test - Unit 3.2: The Periodic Table Test - Unit 3.2: The Periodic Table 1. If an atom of fluorine has an atomic mass of 18.998, how many neutrons are in the nucleus? 3. A. 9 B. 10 C. 19 D. 28 2. The table shows information about two atoms, X and Y. Number of Protons Which of the following is the atomic mass of the atom represented in the above graphic? A. 17 How can these two atoms have the SAME atomic mass? F. Atom X is a liquid and atom Y is a gas. G. Atom Y has one more electron than atom X. H. Atom Y has one more neutron than atom X. J. Atom X is a metal, and atom Y is a non-metal. B. 16 C. 33 D. 32 Test - Unit 3.2: The Periodic Table 4. 1 2 3 4 5 6 7 8 9 10 Statements An electron has the same mass as a proton. An electron has much more mass than a neutron. An electron has about the same mass as a neutron. An electron has much less mass than a proton. An electron has much less mass than a neutron. A proton has more mass than an electron. A proton has less mass than an electron A proton has about the same mass as a neutron. A neutron has much more mass than a proton. A neutron has much less mass than a proton. 6. The elements which are very nonreactive elements in group 18 are called F. G. H. J. Alkali Metals Halogens Metalloids Noble Gases 7. Which of the following group 15 elements has the greatest metallic properties? A. Nitrogen B. Phosphorus Which of the statements above correctly represents the mass of subatomic particles? F. 1, 6, 9 G. 2, 6, 8 H. 3, 4, 7, 9 J. 4, 5, 6, 8 C. Arsenic D. Bismuth 8. According to the periodic table, which of the following elements is the most chemically reactive metal? F. Copper G. Sodium 5. Which of the following are the highly reactive elements in group 17 A. B. C. D. Alkali Metals Alkali Earth Metals Halogens Noble Gases H. Bismuth J. Phosphorus 9. According to the periodic table, which of the following elements is the most chemically reactive nonmetal? A. Lithium B. Oxygen C. Fluorine D. Phosphorus Test - Unit 3.2: The Periodic Table 10. According to the Periodic Table, which of the following elements is the least reactive gas? 14. F. Neon G. Hydrogen H. Chlorine J. Nitrogen Based on what you know about the organization of the Periodic Table, which two elements shown above would have the most similar chemical properties? 11. Elements in the modern periodic table are arranged in order of increasingA. atomic number. B. atomic mass. F. Sodium and magnesium C. number of neutrons. G. Potassium and calcium D. number of valence electrons. H. Potassium and magnesium J. Sodium and potassium 12. When describing the organization of the Periodic Table, it includes both groups and periods. An element in period 4, group 17 will have the following characteristics: 15. F. It is classified as a metalloid gas. G. It can be classified as a nonmetal liquid. H. It can be classified as a metalloid gas. J. It is classified as a metal gas. 13. Which best describes the difference between two isotopes of carbon? What conclusion can you make about the elements shown above? A. Phosphorus has more valence electrons than nitrogen. B. Carbon has fewer valence electrons in its outer energy level than nitrogen. A. Different protons only. C. Phosphorus is more like silicon than it is like nitrogen. B. Different neutrons only. D. Aluminum is smaller than carbon. C. Different protons and mass. D. Different neutrons and mass. Test - Unit 3.2: The Periodic Table 16. According to the Periodic Table, which of the following is the most accurate model of an atom of boron? H. F. J. G. Test - Unit 3.2: The Periodic Table 17. Which of the following atoms will have the MOST similar properties to the atom listed below? A. I B. II C. III D. IV Test - Unit 3.2: The Periodic Table 18. Which of the atom models above represents a reactive metal? F. Model A G. Model B H. Model C J. Model D Test - Unit 3.2: The Periodic Table 19. Which of the following would identify properties of a metal A. malleable, poor conductor, shiny B. having luster, brittle, good conductor C. malleable, having luster, good conductor D. Dull, brittle, poor conductor of heat and electricity 20. Which of these would have some properties of both metals and nonmetals? F. Alkali Earth Metals G. Metalloids H. Halogens J. Metals 22. In a comparison of metals to nonmetals in the same period, metals tend to— F. have more valence electrons G. have higher atomic numbers H. be less reactive J. have a lower atomic mass 23. When determining an element’s chemical reactivity, the most important subatomic particle to look at is — A. protons B. valence electrons C. neutrons D. positrons 21. Atoms of which of the following elements have the most similar chemical properties as cadmium (Cd) atoms? A. Zinc (Zn) B. Gold (Au) C. Copper (Cu) D. Silver (Ag) 24. Which of these groups in the Periodic Table is made up primarily of elements that are gases at room temperature? F. Group 1 G. Group 2 H. Group 12 J. Group 18 Test - Unit 3.2: The Periodic Table 25. Refer to the Venn diagram above. Which of the following traits do Element I and Element II have in common? A. The same atomic number B. The same atomic mass C. The same number of energy levels D. The same number of valence electrons 26. Refer to the Venn diagram above. Which of the following elements would have the most similar chemical properties as Element I? F. Tantalum G. Scandium H. Potassium J. Strontium Test - Unit 3.2: The Periodic Table 27. Using the information in the Periodic Table, it is possible to determine that atoms of the elements aluminum (Al), silicon (Si), and phosphorus (P) are most similar in terms of — A. mass B. malleability C. luster D. corrosiveness 28. Which of the following groups in the Periodic Table is made from very reactive metals? F. Group 1 30. Which of the following atomic properties would be found in section II of the Venn diagram? G. Group 6 H. Group 17 F. used to find electrical charge J. Group 18 G. used to find atomic number H. found in a cloud around the nucleus J. have a mass of 1 u 29. Which of the following groups in the Periodic Table is made from nonreactive elements? A. Group 1 B. Group 4 C. Group 17 D. Group 18 Test - Unit 3.2: The Periodic Table 31. The area or “cloud” around the nucleus where electrons are found 32. A neutral particle located in the nucleus; an atom with a different # than usual is called an isotope 33. A positively charged particle located in the nucleus; the number NEVER changes; identifies the element 34. The “core” or middle of an atom (contains the protons and neutrons) 35. A negatively charged particle located in the electron cloud; an atom with a different # than usual is an ion A/F. Proton B/G. Electron C/H. Neutron D/J. Nucleus E/K. Electron Cloud