The New Encyclopaedia Britannica: Macropaedia: knowledge in depth. 19 vEncyclopaedia Britannica, Incorporated, 1981 - Encyclopedias and dictionaries |
From inside the book
Results 1-3 of 73
Page 163
... structure is possible for each of these , and for the compound propane , CзH ̧ , in which n = 3 , but when 4 , giving butane , C.H10 , two structural formulas consistent with the valence rules can be written , depend- ing on whether the ...
... structure is possible for each of these , and for the compound propane , CзH ̧ , in which n = 3 , but when 4 , giving butane , C.H10 , two structural formulas consistent with the valence rules can be written , depend- ing on whether the ...
Page 172
... structure differs from that of Kekule in an important conceptual way , though his formulas are still useful . Instead of two kinds of molecules in rapid equilibrium , benzene and its derivatives consist of only one kind of molecule ...
... structure differs from that of Kekule in an important conceptual way , though his formulas are still useful . Instead of two kinds of molecules in rapid equilibrium , benzene and its derivatives consist of only one kind of molecule ...
Page 806
... structures . The cohesive energies in the latter case are very close , and subtle ef- fects , not all of which are known , determine the equilibri- um structure . Most important is the presence of covalent bonds formed between atoms by ...
... structures . The cohesive energies in the latter case are very close , and subtle ef- fects , not all of which are known , determine the equilibri- um structure . Most important is the presence of covalent bonds formed between atoms by ...
Other editions - View all
Common terms and phrases
andesite Antarctic antibodies antigen atoms basalt basin bonds carbon cause cells centimetres central centre century chemical composition crystals cultural cycle cyclone earth east economic effect eruption evaporation feet feldspar feldspathoids flow freezing gabbro glaciers groundwater humidity Hungarian Hungary hunting hydrocarbons hydrogen hydrograph hydrologic hydrologic cycle hypnosis ice sheets icebergs Iceland ideology igneous rocks Illinois immunoglobulin immunological important increase India Indian industry intrusive kilometres king known lakes land lava layers lymphocytes mafic magma major melting ment metres miles millimetres minerals molecules mountain natural northern occur ocean parasitic percent philosophy plagioclase political population precipitation pressure produced rainfall range reaction region relatively result Reykjavík river runoff Samkhya snow social soil square kilometres structure surface temperature theory tion ture types United vapour Vedānta volcanic western wind zone