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Trends in Periodic Table Name: Date: 1. In the modern Periodic Table, the elements are 6. As the elements in Group IA are considered in arranged in order of increasing order of increasing atomic number, the atomic radius of each successive element increases. This A. atomic number B. mass number is primarily due to an increase in the number of C. oxidation number D. valence number A. neutrons in the nucleus B. electrons in the outermost shell C. unpaired electrons D. principal energy levels 2. Which symbol represents an alkaline earth element? A. Na B. Mg C. Ne D. Ag 7. Which is the most active nonmetal in the Periodic Table of the Elements? A. Na B. F C. I D. Cl 3. More than two-thirds of the elements are classied as A. nonmetals B. metals C. metalloids D. noble gases 8. The volume of an acid required to neutralize exactly 15.00 milliliters (mL) of a base could be measured most precisely if it were added to the base solution from a A. 100mL graduate 2+ 2+ 2+ 4. In the reaction Zn + Cu !Zn +Cu, the Cu B. 125mL Erlenmeyer ask ions C. 50mL buret A. gain electrons B. lose electrons D. 50mL beaker C. gain protons D. lose protons 9. Which of the following atoms has the smallest 5. Which particle has the largest radius? covalent atomic radius? A. F B. Ne C. Cl D. Ar A. Li B. Be C. C D. F page 1 10. Compared to the covalent atomic radius of a 14. Which element in Period 2 has the greatest sodium atom, the covalent atomic radius of a tendency to form a negative ion? magnesium atom is smaller. The smaller radius is primarily a result of the magnesium atom having A. lithium B. carbon A. a larger nuclear charge C. neon D. uorine B. a smaller nuclear charge C. more principal energy levels D. fewer principal levels 15. The greatest dierence in electronegativity between an element in Group 2 (IIA) and an element in Group 16 (VIA) occurs in Period A. 5 B. 2 C. 3 D. 4 11. As the elements of Group 16 (VIA) are considered from top to bottom on the Periodic Table, the covalent radii 16. Which Group 15 (VA) element has the most metallic character? A. increase and the ionization energies decrease B. increase and the ionization energies increase A. N B. P C. As D. Bi C. decrease and the ionization energies increase D. decrease and the ionization energies decrease 17. The arrangement of the elements in the present Periodic Table is based on atomic A. mass B. number 12. Chlorine combines with element M to form a C. radius D. density compound with the formula MCl . Which group 2 in the Periodic Table contains element M? A. 16 (VIA) B. 2 (IIA) 18. The elements that have the most pronounced C. 13 (IIIA) D. 17 (VIIA) nonmetallic properties are located toward which corner of the Periodic Table? A. upper right B. upper left C. lower right D. lower left 13. Which element in Group 17 (VIIA) is least likely to lose an electron? A. chlorine B. iodine 19. The most active metal in Group 2 (IIA) is C. bromine D. uorine A. Mg B. Sr C. Ba D. Ca page 2 Trends in Periodic Table 20. In Period 4 of the Periodic Table, the atom with 23. Which trends appear as the elements in Period 3 the largest covalent radius is located in Group are considered from left to right? A. 1 (IA) B. 13 (IIIA) A. Metallic character decreases, and electronegativity decreases. C. 3 (IIIB) D. 18 (O) B. Metallic character decreases, and electronegativity increases. C. Metallic character increases, and electronegativity decreases. D. Metallic character increases, and electronegativity increases. 21. As the elements in Group 15 are considered in order of increasing atomic number, which sequence in properties occurs? 24. As the atoms in Period 3 of the Periodic Table are A. nonmetal ! metalloid ! metal considered from left to right, the atoms generally show B. metalloid ! metal ! nonmetal C. metal ! metalloid ! nonmetal A. an increase in radius and an increase in ionization energy D. metal ! nonmetal ! metalloid B. an increase in radius and a decrease in ionization energy C. a decrease in radius and an increase in ionization energy D. a decrease in radius and a decrease in ionization energy 22. What occurs as the atomic number of the elements in Period 2 increases? 25. Which list of elements contains two metalloids? A. The nuclear charge of each successive atom decreases, and the covalent radius decreases. A. Si, Ge, Po, Pb B. As, Bi, Br, Kr B. The nuclear charge of each successive atom decreases, and the covalent radius increases. C. Si, P, S, Cl D. Po, Sb, I, Xe C. The nuclear charge of each successive atom increases, and the covalent radius decreases. D. The nuclear charge of each successive atom increases, and the covalent radius increases. 26. The chemical properties of calcium are most similar to the chemical properties of A. Ar B. K C. Mg D. Sc page 3 Trends in Periodic Table 27. The elements on the Periodic Table are arranged in order of increasing A. atomic number B. mass number C. number of isotopes D. number of moles page 4 Trends in Periodic Table
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