The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 95
... containing atoms of only two ele- ments ( binary compounds ) , which are designated com- monly by the suffix -ide ... containing molecule in which an iron atom is combined . Chlorophyll , similarly essential to green plants , has a ...
... containing atoms of only two ele- ments ( binary compounds ) , which are designated com- monly by the suffix -ide ... containing molecule in which an iron atom is combined . Chlorophyll , similarly essential to green plants , has a ...
Page 104
... containing only nitrogen - nitro- gen single bonds . Among Group VIa elements , sulfur is unique in its ability to self - link ; it forms several series of linear covalent molecules of the types represented by the following general ...
... containing only nitrogen - nitro- gen single bonds . Among Group VIa elements , sulfur is unique in its ability to self - link ; it forms several series of linear covalent molecules of the types represented by the following general ...
Page 923
... containing proteins called he- mocyanins occur notably in the blood of larger crusta- ceans and that of gastropod and cephalopod mollusks . Hemocyanins are colourless in the reduced , or deoxy- genated , state and blue when exposed to ...
... containing proteins called he- mocyanins occur notably in the blood of larger crusta- ceans and that of gastropod and cephalopod mollusks . Hemocyanins are colourless in the reduced , or deoxy- genated , state and blue when exposed to ...
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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