The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 633
... hydrogen , was not abandoned until the 19th century , when precise determination of the atomic weights of the other chemical elements showed that they were not sim- ple multiples of that of hydrogen . STRUCTURE OF WATER The behaviour of ...
... hydrogen , was not abandoned until the 19th century , when precise determination of the atomic weights of the other chemical elements showed that they were not sim- ple multiples of that of hydrogen . STRUCTURE OF WATER The behaviour of ...
Page 741
... hydrogen gas dissolved at high temperature during the welding operation can cause cracks when it tries to escape as the weld cools . Aluminum and its alloys are generally weldable . A very tenacious oxide film on aluminum tends to ...
... hydrogen gas dissolved at high temperature during the welding operation can cause cracks when it tries to escape as the weld cools . Aluminum and its alloys are generally weldable . A very tenacious oxide film on aluminum tends to ...
Page 1062
... hydrogen - like atom ( a single electron outside a closed shell ) is propor- tional to Z2 , the atomic number squared . Bohr's equation containing the Z2 term can be extended to more compli- cated atoms of higher atomic number by ...
... hydrogen - like atom ( a single electron outside a closed shell ) is propor- tional to Z2 , the atomic number squared . Bohr's equation containing the Z2 term can be extended to more compli- cated atoms of higher atomic number by ...
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