The New Encyclopaedia Britannica: Macropaedia: knowledge in depth. 19 vEncyclopaedia Britannica, Incorporated, 1981 - Encyclopedias and dictionaries |
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Page 116
... called protons , neutrons , and electrons . Experimental evidence indicates that , within an atom , a small nucleus , which generally contains both protons and neutrons , is surrounded by a swarm , or cloud , of electrons . The ...
... called protons , neutrons , and electrons . Experimental evidence indicates that , within an atom , a small nucleus , which generally contains both protons and neutrons , is surrounded by a swarm , or cloud , of electrons . The ...
Page 144
... called today , was accepted by Avogadro's most scientists . ( Modern methods of analysis have es- number tablished that the actual number of molecules in a quan- tity of any substance equal in mass in grams to the molecular weight of ...
... called today , was accepted by Avogadro's most scientists . ( Modern methods of analysis have es- number tablished that the actual number of molecules in a quan- tity of any substance equal in mass in grams to the molecular weight of ...
Page 567
... called frontal analysis , by contrast , the mix- ture to be resolved is introduced as a continuous stream or " train . " If the letters A , B , and C represent the solutes in order of increasing affinity for the stationary phase , then ...
... called frontal analysis , by contrast , the mix- ture to be resolved is introduced as a continuous stream or " train . " If the letters A , B , and C represent the solutes in order of increasing affinity for the stationary phase , then ...
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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