The New Encyclopaedia Britannica: Macropaedia: knowledge in depth. 19 vEncyclopaedia Britannica, Incorporated, 1981 - Encyclopedias and dictionaries |
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Page 108
... atom bearing as many hydrogen atoms as needed for saturation . In order to facilitate the naming of more complicated compounds , hydrocarbon groups that have one less hydrogen atom than the alkane are called alkyl groups , and their ...
... atom bearing as many hydrogen atoms as needed for saturation . In order to facilitate the naming of more complicated compounds , hydrocarbon groups that have one less hydrogen atom than the alkane are called alkyl groups , and their ...
Page 116
... atomic num- ber of the element . The total number of protons and neu- trons is called the mass number because it equals the rela- tive weight of that atom compared to other atoms . Be- cause the atom itself is electrically neutral , the ...
... atomic num- ber of the element . The total number of protons and neu- trons is called the mass number because it equals the rela- tive weight of that atom compared to other atoms . Be- cause the atom itself is electrically neutral , the ...
Page 169
... atoms . In an isolated atom the distribution of electron charge is oriented with respect to the nucleus of that one atom . In the combination of two or more atoms , the distribution of electronic charge is determined by more than the ...
... atoms . In an isolated atom the distribution of electron charge is oriented with respect to the nucleus of that one atom . In the combination of two or more atoms , the distribution of electronic charge is determined by more than the ...
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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