The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
From inside the book
Results 1-3 of 80
Page 116
... occurring samples of many pure elements shows that not all the atoms present have the same atomic weight , even though they all have the same atomic number . Such a situation can occur only if the atoms have different numbers of ...
... occurring samples of many pure elements shows that not all the atoms present have the same atomic weight , even though they all have the same atomic number . Such a situation can occur only if the atoms have different numbers of ...
Page 147
... Occur ? ( 1965 ) , a well - written exposition centred upon the title theme ; E.L. KING , How Chemical Reactions Occur ( 1964 ) , an elementary treatment of kinetics and mechanisms , chain reactions , activa- tion energy , and the use ...
... Occur ? ( 1965 ) , a well - written exposition centred upon the title theme ; E.L. KING , How Chemical Reactions Occur ( 1964 ) , an elementary treatment of kinetics and mechanisms , chain reactions , activa- tion energy , and the use ...
Page 922
... occur in the eyes of arthro- pods , they are not known to be directly involved in the biochemistry of photoreception . In the changeable in- tegumentary cells of cephalopods , however , they may contribute to adaptive responses ...
... occur in the eyes of arthro- pods , they are not known to be directly involved in the biochemistry of photoreception . In the changeable in- tegumentary cells of cephalopods , however , they may contribute to adaptive responses ...
Other editions - View all
Common terms and phrases
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