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Ãîëüìèé

Ãîëüìèé - (ëàòèíñêèé Holmium), Íî, õèìè÷åñêèé ýëåìåíò III ãðóïïû ïåðèîäè÷åñêîé ñèñòåìû, àòîìíûé íîìåð 67, àòîìíàÿ ìàññà 164,9304, îòíîñèòñÿ ê ëàíòàíîèäàì. Íàçâàíèå ëàòèíñêèéèíñêîãî Holmia - Ñòîêãîëüì. Ñåðåáðèñòî-áåëûé ìåòàëë; ïëîòíîñòü 8,80 ã/ñì3, tïë 1470 °Ñ. Êîìïîíåíò ñïåöèàëüíûõ ñòåêîë, àêòèâàòîð ëþìèíîôîðîâ.



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