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Which Of The Following Symbols Does Not Represent An Element

Dwayne Morise

Question: The chemical symbol for potassium is

  1. P

  2. B. Po

  3. C. Pt

  4. D. Pm

  5. E. K

  6. Answer: E. K

  7. Question: Which of the following symbols does not represent an element?

  8. A. O2

  9. B. Co

  10. C. HF

  11. D. Cs

  12. E. Xe

  13. Answer: C. HF

  14. Question: In the modern periodic table, the order in which the elements are placed is based on

  15. A. atomic mass

  16. B. mass number

  17. C. atomic number

  18. D. atomic size

  19. E. chemical reactivity

  20. Answer: C. atomic number

  21. Question: Which of the following elements are the least reactive?

  22. A. alkali metals

  23. B. noble gases

  24. C. alkaline earth metals

  25. E. metalloids

  26. Answer: B. Noble gases

  27. Question: Which of the following is a non-metal?

  28. A. lithium, Li

  29. B. bromine, Br

  30. C. mercury, Hg

  31. D. bismuth, Bi

  32. E. sodium, Na

  33. Answer: D. bismuth, Bi

  34. Question: Which of the following is a metal?

  35. A. nitrogen, N

  36. B. phosphorous, P

  37. C. arsenic, As

  38. D. thallium, Tl

  39. E. silicon, Si

  40. Answer: D. thallium, Tl

  41. Question: Which of the following is a metalloid?

  42. A. carbon, C

  43. B. sulfur, S

  44. C. germanium, Ge

  45. D. bromine, Br

  46. Answer: C. germanium, Ge

  47. Question: Which one of the following groups does not contain any metals?

  48. A. C, S, As, H

  49. B. Cu, P, Se, Kr

  50. C. N, Ne, Nd, Np

  51. D. Xe, Hg, Ge, O

  52. E. Cl, Al, Si, Ar

  53. Answer: A. C, S, As, H

  54. Question: A column of the periodic table is called

  55. A. group

  56. B. period

  57. C. isotopic mixture

  58. D. pillar

  59. E. shell

  60. Answer: A. group

  61. Question: A row of the periodic table is called a

  62. A. group

  63. B. period

  64. C. isotopic mixture

  65. D. family

  66. E. subshell

  67. Answer: B. period