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??????? [1] ?? ???? ??? ??????? ?? ??? ?? ????? ????????? ???????? ??????? ???????? ??? ????? ????? ?????? ????? ???? ????? ?? ?????? ??????.

????? ?? ????? ??????? ?? ?????? ?? ??????? ?? ??????? ???? ??? ??????? ??? ????? ??????? ????????? ???? ????? ???? ????? ?????? ???????? ?? ???? ?????? ??????? ?? ????? ????? ??????? ??????? ????? ??????? ????????. ??? ????? ??????? ??? ?????? ???? ?????? . [2]

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  1. ^ ???? ????????? ??????? ???????? ?????? ???? ?????? 5 ???? 2020 ??? ???? ??? ??? ???? .
  2. ^ Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of the Elements (2nd ed.). Butterworth-Heinemann. ISBN 0-08-037941-9 .
أيقونة بذرة

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