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ID number:886685
 
Evaluation:
Published: 27.03.2007.
Language: Latvian
Level: Secondary school
Literature: n/a
References: Not used
Extract

Ogleklis ( Carboneum ), C – periodiskās sistēmas IV grupas ķīmiskais elements, atomnumurs 6, atommasa 12,011. zemes garozā oglekļa masa ir 0,1%, atmosfērā – 0,012 %. Brīvā veidā sastopams kā minerāli dimants un grafīts.
Ogleklis ir naftas, dabasgāzes, ogļu, kūdras, degslānekļa, kā arī augu un dzīvnieku organisma galvenā sastāvdaļa; ietilpst oglekļaoksīdos(CO2) un karbonātos (kaļķakmenī, dolomītā, siderītā). Ogleklim ir vairāki alatropiskie veidi – dimants, grafīts, amorfā ogle u.c.(čaolīts, kliftonīds, londsdeilīts).…

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