The New Encyclopędia BritannicaEncyclopędia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 69
... known , and are stable in the absence of water or oxygen . All halides of uranium ( V ) , except the iodide , are known , as are many complexes with alkali metals . The same two classes of ions are found with uranium ( VI ) . In water ...
... known , and are stable in the absence of water or oxygen . All halides of uranium ( V ) , except the iodide , are known , as are many complexes with alkali metals . The same two classes of ions are found with uranium ( VI ) . In water ...
Page 70
... known . In addition to solutions of americium ( III ) , solutions and solid com- pounds of americium ( IV ) , ( V ) , and ( VI ) are known . For the +5 and +6 states , however , only two ions have been found . There is no evidence for ...
... known . In addition to solutions of americium ( III ) , solutions and solid com- pounds of americium ( IV ) , ( V ) , and ( VI ) are known . For the +5 and +6 states , however , only two ions have been found . There is no evidence for ...
Page 432
... known in ancient times . Known as sal ammoniac in the West , nao sha in China , nao sadar in Sanskrit , and nushādir in Persia and Arabic lands , the chloride of ammonia first became known to the West in the Chou i ts'an t'ang ch'i , a ...
... known in ancient times . Known as sal ammoniac in the West , nao sha in China , nao sadar in Sanskrit , and nushādir in Persia and Arabic lands , the chloride of ammonia first became known to the West in the Chou i ts'an t'ang ch'i , a ...
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accelerator acid activity Adams administrative advertising Aeschylus aesthetic Africa agriculture animals appear become body called Central century changes contains continued cost countries crops cultural dance early East effect electrons elements engineering established example farm feet field figures flight followed function human important increase industry influence Italy Khoisan Knossos known Lake land languages later less living major materials means ment natural occur operations organization original patterns percent performance period plants play political population present production range region remains represented result River society sound South southern species structure style theory tion traditional United usually variety West Western widely