The New Encyclopaedia Britannica: Macropaedia: knowledge in depth. 19 vEncyclopaedia Britannica, Incorporated, 1981 - Encyclopedias and dictionaries |
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Page 114
... Elements ( C.R.No. ) Chemical elements are the fundamental materials of which all matter is composed . From the modern view- point , a substance that cannot be decomposed into sim- pler substances by ordinary chemical processes is , by ...
... Elements ( C.R.No. ) Chemical elements are the fundamental materials of which all matter is composed . From the modern view- point , a substance that cannot be decomposed into sim- pler substances by ordinary chemical processes is , by ...
Page 116
... elements are intimately related to the number and arrangement of electrons in their atoms . Thus , elements are completely distinguish- able from each other by their atomic numbers . This realization leads to another definition of an ...
... elements are intimately related to the number and arrangement of electrons in their atoms . Thus , elements are completely distinguish- able from each other by their atomic numbers . This realization leads to another definition of an ...
Page 117
Solid , liquid , and gaseous elements • Man - made elements Terrestrial abundance Uses of the elements The four elements of ancient thought. the lower left - hand side . A diagonal line extending from boron to astatine separates the ...
Solid , liquid , and gaseous elements • Man - made elements Terrestrial abundance Uses of the elements The four elements of ancient thought. the lower left - hand side . A diagonal line extending from boron to astatine separates 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