The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 633
... atomic structure , chemical bonds , and mo- lecular structure , summarized here only briefly ( see ATOMIC STRUCTURE ; CHEMICAL BONDING ; MOLECULAR STRUCTURE ; CHEMICAL REACTIONS , MECHANISMS OF ) . Elements are composed of atoms , each ...
... atomic structure , chemical bonds , and mo- lecular structure , summarized here only briefly ( see ATOMIC STRUCTURE ; CHEMICAL BONDING ; MOLECULAR STRUCTURE ; CHEMICAL REACTIONS , MECHANISMS OF ) . Elements are composed of atoms , each ...
Page 1059
... atomic absorption coefficient , which is equal to the mass absorption constant times the ratio of atomic weight of the absorbing material ( A ) to Avogadro's number ( N ) , or ( u / p ) ( A / N ) . ( N is the number of atoms , or ...
... atomic absorption coefficient , which is equal to the mass absorption constant times the ratio of atomic weight of the absorbing material ( A ) to Avogadro's number ( N ) , or ( u / p ) ( A / N ) . ( N is the number of atoms , or ...
Page 1143
... atoms characteristic for that element . Some general statement of all atomic structures will be helpful in ... atoms of a specific element may vary , and the atoms with different masses ( but the same atomic number ) are called isotopes ...
... atoms characteristic for that element . Some general statement of all atomic structures will be helpful in ... atoms of a specific element may vary , and the atoms with different masses ( but the same atomic number ) are called isotopes ...
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