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Periodic Table

Periodic Table. 2. Which group contains elements with a total of 4 valence electrons?. Alkali Metals Group 14 Any transition element Noble Gases Any element in period 4. 3. Which of the following are both halogens that are gases at STP?. Chlorine and bromine

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Periodic Table

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  1. Periodic Table

  2. 2. Which group contains elements with a total of 4 valence electrons? • Alkali Metals • Group 14 • Any transition element • Noble Gases • Any element in period 4

  3. 3. Which of the following are both halogens that are gases at STP? • Chlorine and bromine • Krypton and argon • Nitrogen and oxygen • Chlorine and fluorine • Fluorine and neon

  4. Refer to the following periodic table to answer questions 5 thru 7.

  5. 5. Which element has properties of both metals and nonmetals? • A • B • C • D • E

  6. 6. Which element is the most reactive metal? • A • B • C • D • E

  7. 7. Which element exists as a monatomic gas at STP? • A • B • C • D • E

  8. 8. At STP, potassium is classified as a(n): • Solid halogen • Liquid metal • Solid metal • Liquid metalloid • Transition element

  9. 9. Which element in Group 17 is the most active nonmetal? • I • Cl • Br • F • At

  10. 10. At which location on the periodic table would the most active metallic element be found? • In Group 1 at the bottom • In Group 17 at the bottom • In Group 1 at the top • In group 17 at the top • Any of the Rare Earth Elements

  11. 11. As the elements in Group 1 are considered in order of increasing atomic number, the atomic radius of each successive elements: • Increases • Decreases • Remains the same • Cannot be predicted

  12. 12. As the elements in Period 2 are considered in succession from left to right, there is a general increase in: • Boiling point • Radius • Reactivity • Metallic character • Nonmetallic character

  13. 13. Which element is classified as a chalcogen AND a metalloid? • P • Te • Si • At • B

  14. 14. The element found in Group 13 and Period 2 is: • Al • Mg • Be • B • Zn

  15. 15. Compared to a neon atom, a helium atom has a: • Equal number of electrons • Larger atomic number • Smaller radius • Greater number of protons • Greater atomic mass

  16. 16. Which compound contains an alkali metal and a halogen? • CaCl2 • Rb2S • RbCl • CaS • CuS

  17. 17. What group in the Periodic Table contains the elements of the alkaline earth family? • 1 • 2 • 3-12 • 14 • 15

  18. 18. Which of the following periods contain transition elements? • 1 • 2 • 3 • 4 • None of the above

  19. 19. Which atom has the smallest atomic radius? • Be • C • Li • F • Rn

  20. 20. Which Period 3 element has the least metallic character? • Al • Mg • Si • Na • Sc

  21. 21. Which two elements have chemical properties that are most similar? • C and N • K and Ca • Cl and Ar • Li and Na • 1, 2 and 3 are ALL correct b/c each of these sets of elements are in the same period

  22. 22. Based on the Periodic Table of Elements, which Group 2 element is most active? • Be • Ca • Ba • Sr • Ra

  23. 23. Which element has properties of electrical conductivity and exists as a liquid at STP? • Hg • I • Br • Rn • Fr

  24. 24. Which element is an active nonmetal? • Chromium • Zinc • Neon • Oxygen • Lithium

  25. 25. The properties of silicon are characteristic of: • Neither a metal nor a nonmetal • A nonmetal, only • A metal, only • Both a metal and a nonmetal • All the other elements in Period 3

  26. 26. Which of the following is the atomic number of a rare earth element? • 58 • 45 • 20 • 18 • 86

  27. 27. The elements in period 3 all have the same number of: • Protons • Main energy levels • Valence electrons • Neutrons • Neutrons and electrons

  28. 28. In the modern Periodic Table, the elements are arranged according to: • Atomic mass • Mass number • Atomic number • Number of neutrons • All of the above

  29. 29. Which element’s atoms have a larger atomic radius than atoms of silicon? • Sodium • Chlorine • Sulfur • Carbon • Oxygen

  30. 30. Which group contains elements with the greatest variation in chemical properties? • Be, Mg, Ca • Li, Be, B • Li, Na, K • B, Al, Ga • Ar, Kr, Xe

  31. 31. Which element forms a diatomic molecule? • Carbon • Bromine • Helium • Iron • Sodium

  32. 32. Alkali metals, alkaline earth metals, and halogens are found respectively in Groups: • 1, 2 and 14 • 1, 2 and 17 • 2, 13 and 17 • 1, 2, and 18 • 16, 17, and 18

  33. 33. How many noble gases are found in Period 1 of the Periodic Table? • 0 • 1 • 2 • 3 • 4

  34. 34. Which element in Group 16 would most likely have the best electrical conductivity? • O • S • Se • Te • Po

  35. 35. In the Periodic Table of the Elements, all the elements within Group 16 have the same number of: • Main energy levels • Protons • Valence electrons • Neutrons • All of the above

  36. 36. The atomic mass unit (amu) was based on an atom of: • Nitrogen-14 • Oxygen • Tritium • Carbon-12 • None of the above

  37. 37. An atom contains 20 protons, 20 neutrons, and 20 electrons. The atomic number of this element is: • 20 • 40 • 60 • 10 • None of the above

  38. 38. Chalcogens have ___ valence electrons. • 14 • 3 • 6 • 10 • 16

  39. 39. Titanium is found in the ___-block in the Periodic Table. • s • p • d • f • g

  40. 40. s-block elements have from ___ to ___ valence electrons. • 13-18 • 1-2 • 3-12 • 3-8 • 10-20

  41. 41. Which of the following represents a valence electron in the p-block? • A • B • C • D • None of the above

  42. 42. What is the mass number of an element with 26 protons, 15 nuetrons,and 26 electrons? • 26 • 15 • 41 • 52 • 11

  43. 43. An element has a mass number of 84 and 35 electrons. What is the atomic number of this element? • 119 • 35 • 84 • 168 • 70

  44. 44. The following ‘onion model’ shows that this atom and is in period___ Group ___ of the Periodic Table. • 5, 3 • 3, 4 • 4, 3 • 3, 14 • 14, 5

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