{"product_id":"puteshestwie-po-carstwu-imperii-ugleroda-von-pourq-zarshenas","title":"Puteshestwie po carstwu imperii ugleroda","description":"\u003cp\u003eUglerod (C) - nemetallicheskij himicheskij älement, whodqschij w gruppu 14 (IVa) periodicheskoj tablicy. Hotq uglerod shiroko rasprostranen w prirode, on ne osobenno obilen - na ego dolü prihoditsq lish' okolo 0,025 procenta zemnoj kory, - tem ne menee, on obrazuet bol'she soedinenij, chem wse ostal'nye älementy wmeste wzqtye. V 1961 godu izotop ugleroda-12 byl wybran wmesto kisloroda w kachestwe standarta, otnositel'no kotorogo izmerqütsq atomnye wesa wseh drugih älementow. Uglerod-14, kotoryj qwlqetsq radioaktiwnym, predstawlqet soboj izotop, ispol'zuemyj dlq radiouglerodnogo datirowaniq i radiolabirowaniq. Po wesu uglerod zanimaet 19-e mesto po rasprostranennosti w zemnoj kore, a atomow ugleroda, po ocenkam, w 3,5 raza bol'she, chem atomow kremniq wo Vselennoj. Tol'ko wodorod, gelij, kislorod, neon i azot w atomnom otnoshenii bolee rasprostraneny w kosmose, chem uglerod. Uglerod - äto kosmicheskij produkt \"goreniq\" geliq, pri kotorom tri qdra geliq s atomnym wesom 4 sliwaütsq s obrazowaniem qdra ugleroda s atomnym wesom 12. V zemnoj kore älementarnyj uglerod qwlqetsq neznachitel'nym komponentom. Odnako soedineniq ugleroda (naprimer, karbonaty magniq i kal'ciq) obrazuüt rasprostranennye mineraly (naprimer, magnezit, dolomit, mramor ili izwestnqk).\u003c\/p\u003e\u003cdiv class=\"aw-variant-hidden-subtitle-div\" id=\"aw-variant-subtitle-9786204949819\"\u003e\u003ch3\u003e\u003c\/h3\u003e\u003c\/div\u003e","brand":"Autorenwelt Shop","offers":[{"title":"Softcover - 9786204949819","offer_id":40307501498461,"sku":"9786204949819","price":49.8,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0622\/files\/0e1ded1e-c1d1-48b2-897c-0806f826e14b.png?v=1758347446","url":"https:\/\/shop.autorenwelt.de\/products\/puteshestwie-po-carstwu-imperii-ugleroda-von-pourq-zarshenas","provider":"Autorenwelt Shop","version":"1.0","type":"link"}