The New Encyclopaedia Britannica: Macropaedia: knowledge in depth. 19 vEncyclopaedia Britannica, Incorporated, 1981 - Encyclopedias and dictionaries |
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Page 116
... occurring samples of many pure elements shows that not all the atoms present have the same atomic weight , even though they all have the same atomic number . Such a situation can occur only if the atoms have different numbers of ...
... occurring samples of many pure elements shows that not all the atoms present have the same atomic weight , even though they all have the same atomic number . Such a situation can occur only if the atoms have different numbers of ...
Page 147
... Occur ? ( 1965 ) , a well - written exposition centred upon the title theme ; E.L. KING , How Chemical Reactions Occur ( 1964 ) , an elementary treatment of kinetics and mechanisms , chain reactions , activa- tion energy , and the use ...
... Occur ? ( 1965 ) , a well - written exposition centred upon the title theme ; E.L. KING , How Chemical Reactions Occur ( 1964 ) , an elementary treatment of kinetics and mechanisms , chain reactions , activa- tion energy , and the use ...
Page 922
... occur in the eyes of arthro- pods , they are not known to be directly involved in the biochemistry of photoreception . In the changeable in- tegumentary cells of cephalopods , however , they may contribute to adaptive responses ...
... occur in the eyes of arthro- pods , they are not known to be directly involved in the biochemistry of photoreception . In the changeable in- tegumentary cells of cephalopods , however , they may contribute to adaptive responses ...
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acid activity administration ammonia army atomic orbitals became benzene bonds Buddhist called carbon atoms cells central centre Ceylon Ch'in Chaetognatha Charadriiformes Charles Chaucer chemical bond chemical reactions chemistry chemoreception Chess Chicago children's literature Chile China Chinese chloride Chou common complex compounds covalent covalent bonds cultural disease drugs dynasty early economic electrons elements emperor energy example fluorine groups hydrogen important increased industry insects involved ions isotopes king known land large number Lo-yang major mass materials 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 solution southern species structure substances sulfonamide sulfur sulfuric acid Szechwan T'ang Taoist temperature tion Tsung turtles Yangtze