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 Ūdeņradis
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ID number:847057
 
Author:
Evaluation:
Published: 11.05.2008.
Language: Latvian
Level: Secondary school
Literature: n/a
References: Not used
Extract

Atrašanās dabā
Dabā ūdeņradis sastāv no diviem stabiliem izotopiem- PROTIJA un DEITĒRIJA
Pazīstams arī radioaktīvais izotops TRITIJS
Ūdeņraža masas daļa Zemes litosfērā ir 0.15%
Ūdeņradis ir izplatītākais elements visuma telpā
Ūdeņraža atomi sastopami vairāku simtu reižu biežāk nekā visu pārējo elementu atomi kopā
Ūdeņraža masas daļa zemes garozā ir 1%,bet hidrosfērā- 10.7%
Iegūšana
Fizikālās īpašības
Ūdeņradis ir bezkrāsaina gāze
Visvieglākā gāze 14.5 reizes vieglāka par gaisu
Ūdeņradis ļoti maz šķīst ūdenī.…

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