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Unit 5 Review Periodic Table & Trends. 1. Which of the following groupings contains only representative elements:. A. Cu, Co, Cd B. Al, Mg, Li C. Fe, Na, Pb D. Ne, Kr, Ti. 2. What is true about the electron configurations of the representative elements?.

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Unit 5 Review Periodic Table & Trends


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    1. Unit 5 ReviewPeriodic Table & Trends

    2. 1. Which of the following groupings contains only representative elements: A. Cu, Co, Cd B. Al, Mg, Li C. Fe, Na, Pb D. Ne, Kr, Ti

    3. 2. What is true about the electron configurations of the representative elements? A. s and p sublevels filled or filling B. s, p, and d sublevels filling C. s, p, d, and f sublevels filling D. Filled d sublevel

    4. 3. The metals in Groups 1A, 2A, and 3A ___ electrons when forming ions. A. Gain electrons B. Lose electrons C. Gain protons D. Lose protons

    5. 4. Which of the following elements has the smallest radius: A. Na B. Rb C. Al D. F

    6. 5. How does the size of an ion compare to the atom it came from? A. Cations are larger than their neutral atom. B. Anions are larger than their neutral atom. C. Atom and ion are the same size

    7. 6. The modern periodic table is arranged according to _____. A. Atomic number B. Atomic mass C. Groups having similar chemical properties D. Both A & C

    8. 7. In which of the following groups of ions are the charges all shown correctly: • Li1-, O2-, S2+, • Ca2+, Al3+, Br1- • K1+ , P3- , F1+

    9. 8. Which of the following elements is a nonmetal A. Fe B. Ga C. C D. Hg

    10. 9. What is another name for the transition metals? A. Group A elements B. Group B elements C. Lanthanides D. Actinides

    11. 10. Which of the following elements is a transition metal: A. Copper B. Cesium C. Iodine D. Aluminum

    12. 11. What is the factor that contributes to the increase in ionization energy from left to right across a period? A. Decrease in shielding B. Increase in shielding C. Decrease in nuclear charge D. Increase in nuclear charge

    13. 12. To what category of elements does an element belong if it is a poor conductor of electricity? A. Metal B. Nonmetal C. Metalloid

    14. 13. What is the charge of a cation? A. Positive • Negative

    15. 14. Which of these elements has the lowest electronegativity value: A. Al B. Mg C. K D. Cs

    16. 15. What element in the second period has the largest atomic radius? A. Li B. Be C. F D. O

    17. 16. Which of the following elements is in the same period as phosphorus: A. Nitrogen B. Antimony C. Krypton D. Argon

    18. 17. Who arranged the elements according to atomic mass, and used the arrangement to predict the properties of missing elements? A. Mosley B. Mendeleev C. Rutherford D. Newlands

    19. 18. For Group 2A metals, which electron is the most difficult to remove? A. The first B. The second C. The third D. All of them

    20. 19. What is the element with the highest electronegativity value A. Francium B. Fluorine C. Oxygen D. Nitrogen

    21. 20. Which subatomic particle plays the greatest part in determining the properties of an element? A. Proton B. Neutron C. Electron D. All of the above

    22. 21. Of the following, which one has the smallest first ionization energy: A. Pb B. Ge C. Se D. Br

    23. 22. In which of the following sets are the charges given correctly for all the ions: • Na1+, Mg1+, Al1+ • K1+, Sr2+, O2- • B3+ , O2- , Kr2+

    24. 23. Which of the following elements has the smallest ionic radius: A. Na B. Mg C. K D. Ca

    25. 24. How does atomic radius change from left to right across a period in the periodic table? A. It increases B. It decreases C. It remains the same

    26. 25. How does atomic radius change from top to bottom in a group in the periodic table? A. It increases B. It decreases C. It remains the same

    27. 26. As you move from left to right across the second period of the periodic table, ionization energy __. A. Increases B. Decreases C. Remains the same

    28. 27. Which of the following is a representative element: A. Fe B. Mn C. Mg D. Ag

    29. 28. Cationsform when an atom ____ electrons. A. gains B. loses C. shares

    30. 29. What is the energy required to remove an electron from an atom in the gaseous state called? A. Electron affinity B. Electronegativity C. Ionization energy D. Ionic size

    31. 30. Which of the following decreases with increasing atomic number in Group 2A: A. Ionization energy B. Atomic size C. Ionic size D. Number of protons

    32. 31. What is another name for the representative elements? A. Group A elements B. Group B elements C. lanthanides D. actinides

    33. 32. Each period in the periodic table corresponds to ____. A. A vertical column of elements B. A horizontal row of elements C. A family of elements

    34. 33. Which of the following elements has the smallest first ionization energy: A. Si B. Ge C. P D. As

    35. 34. How many electrons does the ion Ca2+ contain? A. 20 B. 18 C. 22 D. 2

    36. 35. How many electrons are there in the highest occupied energy level of atoms in Group 5A elements? A. 15 B. 5 C. 7 D. 33

    37. 36. How many electrons are present in the d sublevel of a neutral atom of copper? A. 1 B. 2 C. 9 D. 10

    38. 37. How many electrons are in a rubidium ion, Rb1+? A. 37 B. 38 C. 36 D. 1

    39. 38. What is the usual charge on an ion from Group 7A? A. +1 B. -1 C. 0 D. -2

    40. Answers 1. B11.D21.A31.A 2. A 12.B22.B32.B 3. B13.A23.B33.B 4. D14.D24.B34.B 5. B15.A25.A35.B 6. D16.D26.A36.D 7. B17.B27.C37.C 8. C18.C28.B38.B 9. B19.B29.C 10.A20.C30.A