Crossword puzzle of chemical symbols - Journal of Chemical

of chemical symbols and molecular formulas. Keywords (Audience):. High School / Introductory Chemistry. Keywords (Pedagogy):. Humor / Puzzles / Ga...
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CURTIS L. BROWN National Research Council, Washington, D. C.

DIRECTIONS USING only capital letten and arabic numerals, one letter or one cipher to a sauare. fill in the indicated svmbals and formulas (rmpirical or rcmdrwrrl rtruvt u r ~ l Ijut ) ontit all bond8 autl otlwr &nu. Thc soluticlrr will be found uu l):lgtL331.

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LEGEND First member of alkanone series Highest chloride of gold Lightest element Nitric acid I t follows radium Highest oxide of caesium Sulfide of carbon Number of carbons in triacontsne: Carbonic acid Hydroxylamine Entropy 27. Methyl propionate 30. Number of charges on an a particle 31. Evolves a t the cathode during electrolysis of 2 males 8 0 33. Most important organic element 34. Chloroform 35. Temperature scale 36. Radioactive isotope of No. 14 across 37. Cycle 38. Peroxide linkaee 39. Hypochlorous aeid 41. Halogen 42. Aeonitic acid 45. Between calcium and titanium 46. Oxalic acid 50. Atomic number of lithium 51. Enthalpy 52. Velocity of light 53. Isotope of uranium 55. Acetyl chloride 59. Capacity 60. It follows the lanthanides 62. Barium sulfate 64. Oxonium ion 65. Negative logarithm of hydrogen-ion activity 66. Number of axes in a manaclinic crystal 67. 18% of this is usually present in stainless steels 68. Antimony compound precipitated in 2nd group of analytical scheme 71. Hydraaine 73. Cupric oxide 75. I t fallows uranium 77. Any aliphatic aldehyde 78. Asaimide (hydrazaic acid) 79. Number of edges of a tetrahedron 80. Pyrimidine

1. 9. 14. 15. 16. 17. 18. 20. 21. 24. 26.

v

83. 85. 86. 88. 89. 90. 92. 93.

Mercurous oxide Alkali metal Muriatic acid Modes of rotation of a nonlinear molecule Freezing paint Element used in rectifiers Electropatential Number of fluorine atoms in Freon 12

94. 95. 96. 98. 99. 100. 102. 103. 105. 108. 109. 110. 112. 113. 114.

Mole Atomic weight of an e particle PVIT for 3 moles of an ideal gas Approx. 1 milliliter Alkoxy radical Highest known tmsuranium dement (atomic number 98) Radioactive noble gas Alkaline earth Modern reducing agent (fatty acids to alcohols in one step) Approx. 1 euhie centimete~. Lowest oxide of nitrogen Alkyl Grignard Optically active Most negative element Disodium hydrogen phosphate 298

Down 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 17. 19. 22. 23. 25. 28. 29. 32. 36. 37.

Seoood member of alkine ~ories Nitrous aoid Ozone analyzed Chloropropene Atmospheric element Limestone First member of fatty aeid series Atomic weight of tritium Arsine Uranyl ion Cyanogen Second electron shell Between the hydroxy groups of 1,3. prapanediol Dithianic aeid Centigrade Oxygen group element Chlorine molecule dissociated No. 1 down analyzed for carbon Number of carbons in chloramine Manocopper acetylide Chloric acid Hydrogen peroxide Atomic number 43 Acetamide

JUNE. 1954 40. Group VIII element forming a tetroxide 41. Dibromoetbane 43. Number of neutrons in C" nucleus 44. Number of oxygens in glucose 46. Concrete component vulnerable to sulfate attack (triealcium aluminate) 47. Most common isotope of sulfur (write upward) 48. Loss of an electron yields a proton 49. Furm analyzed for carbon 52. B~omotoluene 54. No. 41 dawn analyzed for bromine 56. First member of alkanol series 57. Ozone 58. Length 59. First member of alkane series 61. Free energy

63. 65. 67. 69. 70. 72. 74. 75. 76. 81. 82. 84. 85. 87. 90. 91. 97. 98.

Same as No. 40 down Phosphine Cobaltic chloride No. 41 dawn snalyzed for carbon Characteristic poup of meroaptans Dinitrogen tetroxide dissociated Used in the neutron pile Ammonia Phosphorus vapor Number of benzene nuclei in pyrene Nitrosyl chloride Germanium dichloride Oxidising agent forming purple solutlon Heat capacity Anion precipitated by barium Rare earth (atomic number 68) Alkyl lithium Unit of No. 87 down

101. H - TS 102. Any 8ymmetrical aliphatic ether 104. Transuranium element (atomic numher 95) 106. Most personal element (-a hdo-

pen) 107. Hydrofluoric acid 108. Former designation of element number 43 109. First trensurmium element 111. Force of gravity 114. Subatomic neutral particle 115. Heat content

If solved correctly, the following squares should spell the name of a famous abstract journal: 1, 2, 91, 94, 106, 98-112 9, 62, 26,36, 97, 104, 100, 36, 68