The New Encyclopaedia Britannica, Volume 4Encyclopaedia Britannica, 1974 - Encyclopedias and dictionaries |
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Page 85
... four bonds from a carbon atom were directed from the central nucleus to the four corners of a regular tetra- hedron , in order to explain why molecules having four different groups attached to the same carbon atom had isomers . It was ...
... four bonds from a carbon atom were directed from the central nucleus to the four corners of a regular tetra- hedron , in order to explain why molecules having four different groups attached to the same carbon atom had isomers . It was ...
Page 448
... four parts join in . These completely texted frottolas were certainly intended to be sung by four singers , possibly , though not neces- sarily , doubled by instruments ; and they could even have been sung by a small chorus ...
... four parts join in . These completely texted frottolas were certainly intended to be sung by four singers , possibly , though not neces- sarily , doubled by instruments ; and they could even have been sung by a small chorus ...
Page 552
... four ages of the world in which each age of 3,000 years ' length was divided into three millennia . Ahura Mazdā ( the Wise Lord ) , symbolized by light and later called Ormazd , dwelt in infinite time with Ahriman , symbolized by ...
... four ages of the world in which each age of 3,000 years ' length was divided into three millennia . Ahura Mazdā ( the Wise Lord ) , symbolized by light and later called Ormazd , dwelt in infinite time with Ahriman , symbolized by ...
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Common terms and phrases
acid activity administration ammonia army atomic orbitals became benzene bonds called carbon atoms cells central centre Ceylon Ch'in Chaetognatha Charadriiformes Charles Chaucer Chekiang chemical bond chemical reactions chemistry chemoreception Chess Chicago children's literature Chile China Chinese chloride chlorine Chou common complex compounds covalent covalent bonds cultural disease drugs dynasty early economic electrons elements emperor energy example fluorine groups Hopeh hydrogen important increased industry insects involved ions king known land large number Lo-yang major mass material ment metal methods molecular molecules nitrogen northern nuclei occur officials orbitals organic oxide oxygen party percent period political population provinces quartets reactants receptors region reign result river separation Shang shell Sinhalese social sodium sodium chloride southern species structure substances sulfonamide sulfur sulfuric acid Szechwan T'ang Taoist temperature tion Tsung turtles Yangtze