The New Encyclopędia BritannicaEncyclopędia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 91
... hydrogen . tion The hydrogen molecule . Before proceeding to poly- atomic molecules , the results of various quantum - me- chanical treatments of the hydrogen molecule consisting of two hydrogen atoms will be described . The simple ...
... hydrogen . tion The hydrogen molecule . Before proceeding to poly- atomic molecules , the results of various quantum - me- chanical treatments of the hydrogen molecule consisting of two hydrogen atoms will be described . The simple ...
Page 97
... hydrogen - especially carbon - much of the chemistry of those elements was reserved for the field of organic chemistry , organic compounds being chiefly those substances in which varying amounts of hydrogen , oxygen , or nitrogen are ...
... hydrogen - especially carbon - much of the chemistry of those elements was reserved for the field of organic chemistry , organic compounds being chiefly those substances in which varying amounts of hydrogen , oxygen , or nitrogen are ...
Page 146
... hydrogen and one of bromine to two molecules of hydrogen bromide and generates other atoms that reinitiate the sequence , thus continuing the chain . Finally , after most of the hydrogen and bromine molecules present have reacted , the ...
... hydrogen and one of bromine to two molecules of hydrogen bromide and generates other atoms that reinitiate the sequence , thus continuing the chain . Finally , after most of the hydrogen and bromine molecules present have reacted , the ...
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acid activity addition administration appear atoms became become bonds called carbon cause central centre century charge Charles chemical chemistry Chess China Chinese combined common complete compounds containing continued cultural drugs early economic effect electrons elements energy established example Figure forces four give given groups hydrogen important increased industry involved ions Italy king known land later less literature living major mass materials ment metal methods molecular molecules move natural occur officials orbitals organic original party percent period play political population position possible present properties provinces reaction region remained represented result river rule separation social species structure substances successful temperature tion types United usually various