The New Encyclopaedia Britannica, Volumes 1-10Encyclopaedia Britannica, 1974 - Reference [1] Propaedia: outline of knowledge and guide to the Britannica.--[2]-[11] Micropaedia: ready reference and index.--[12]-[30] Macropaedia: knowledge in depth. |
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Page 315
... Fluorine ( F2 ) , Argon ( Ar ) , helium ( He ) , hydrogen sulfide ( HS ) , ammonia ( NH3 ) , and methane ( CH1 ) . Anoxic state of original atmosphere . There is no juve- nile or primary source of gaseous oxygen ( O2 ) in the Earth ...
... Fluorine ( F2 ) , Argon ( Ar ) , helium ( He ) , hydrogen sulfide ( HS ) , ammonia ( NH3 ) , and methane ( CH1 ) . Anoxic state of original atmosphere . There is no juve- nile or primary source of gaseous oxygen ( O2 ) in the Earth ...
Page 334
... fluorine is obtained ( see PERIODIC LAW ) . This se- quence runs from a quite reactive element , lithium , which forms positive ions , through the relatively inert and ambivalent element carbon , to a highly active ele- ment , fluorine ...
... fluorine is obtained ( see PERIODIC LAW ) . This se- quence runs from a quite reactive element , lithium , which forms positive ions , through the relatively inert and ambivalent element carbon , to a highly active ele- ment , fluorine ...
Page 345
... Fluorine F 9 18.99840 * Silicon Si 14 28.0868 Francium Fr 87 ( 223 ) Silver Ag 47 107.868+ Gadolinium Gd 64 157.25 Sodium 11 22.98977 * Gallium Ga 31 69.72 Strontium 38 87.62 Germanium Ge 32 72.59 Sulfur 16 32.068 Gold Au 79 196.9665 ...
... Fluorine F 9 18.99840 * Silicon Si 14 28.0868 Francium Fr 87 ( 223 ) Silver Ag 47 107.868+ Gadolinium Gd 64 157.25 Sodium 11 22.98977 * Gallium Ga 31 69.72 Strontium 38 87.62 Germanium Ge 32 72.59 Sulfur 16 32.068 Gold Au 79 196.9665 ...
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The New Encyclopaedia Britannica, Volumes 1-10 Encyclopaedia Britannica Publishers, Inc. Staff No preview available - 1974 |
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