The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 116
... called protons , neutrons , and electrons . Experimental evidence indicates that , within an atom , a small nucleus , which generally contains both protons and neutrons , is surrounded by a swarm , or cloud , of electrons . The ...
... called protons , neutrons , and electrons . Experimental evidence indicates that , within an atom , a small nucleus , which generally contains both protons and neutrons , is surrounded by a swarm , or cloud , of electrons . The ...
Page 144
... called today , was accepted by Avogadro's most scientists . ( Modern methods of analysis have es- tablished that the actual number of molecules in a quan- tity of any substance equal in mass in grams to the molecular weight of the ...
... called today , was accepted by Avogadro's most scientists . ( Modern methods of analysis have es- tablished that the actual number of molecules in a quan- tity of any substance equal in mass in grams to the molecular weight of the ...
Page 769
... called polymorphism , of polyps within a colony . Each Specialized zooid , or different type of polyp , is specialized for some polyps specific function . For example , certain polyps , called gastrozooids , bear tentacles and are ...
... called polymorphism , of polyps within a colony . Each Specialized zooid , or different type of polyp , is specialized for some polyps specific function . For example , certain polyps , called gastrozooids , bear tentacles and are ...
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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