The New Encyclopaedia Britannica, Volume 4Encyclopaedia Britannica, 1974 - Encyclopedias and dictionaries |
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Page 103
... metal ion , the oxide ion donating shares in two pairs of electrons to the metal . The fluoride ion is too electronega- tive to donate electrons in this fashion . Low oxidation states occur with so - called back - bonding ligands , such ...
... metal ion , the oxide ion donating shares in two pairs of electrons to the metal . The fluoride ion is too electronega- tive to donate electrons in this fashion . Low oxidation states occur with so - called back - bonding ligands , such ...
Page 572
... metal : 2Cr2O3 + 3Si = 4Cr + 3SiO2 . This reaction is carried out in an electric furnace since it is not self - sustaining . The resulting metal may contain up to 0.8 % silicon . Carbon may also be used as a reducing agent for Cr2O , to ...
... metal : 2Cr2O3 + 3Si = 4Cr + 3SiO2 . This reaction is carried out in an electric furnace since it is not self - sustaining . The resulting metal may contain up to 0.8 % silicon . Carbon may also be used as a reducing agent for Cr2O , to ...
Page 823
... metal content of coins , and even complete withdrawal of precious metals from coinage systems . Certain govern- ments resorted to gradual reduction , especially in the case of silver coins ; the effect of such debasement was a ...
... metal content of coins , and even complete withdrawal of precious metals from coinage systems . Certain govern- ments resorted to gradual reduction , especially in the case of silver coins ; the effect of such debasement was a ...
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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