uglerod

name of presentation uglerod uning birikmalari va xossalari uglerod (lot. carbo — kumir, lot. carboneum), c — mendeleyev davriy sistemasining iv guruhiga mansub kimyoviy element. tartib rakami 6, atom massasi 12,011.2 ta barkaror izotopi: 2s (98,892%) va 3s (1,108%) bor. radioaktiv izotoplaridan |4s(t|/2=5600-yil)ningahamiyati muhim. atmosferaning yuqori qatlamida kosmik nurlar ney.tronlarining azot izotopi i4n ga taʼsiri natijasida 4s hosil buladi. 4s izotop indikatorlar sifatida keng qoʻllanadi. image2.jpg image3.jpeg image1.jpg /docprops/thumbnail.jpeg

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