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Ñå°à ñàìî°îäíàÿ
Scientific name: Ñå°à ñàìî°îäíàÿ
Formula: S
æåëòûé, î°àíæåâûéæåëòàÿ èëè î°àíæåâàÿ ÷å°òàíåï°îç°à÷íûéæè°íûé áëåñê°àêîâèñòûé, íå°îâíûé èçëîìòâå°äîñòü 2 ïî øêàëå Ìîîñàñàìî°îäíûé ýëåìåíò°îìáè÷åñêàÿ ñèíãîíèÿíåñîâå°øåííàÿ ñïàéíîñòü

Comments:
Ñå°à (Sulphur) " âûñîêîýëåêò°îîò°èöàòåëüíûé ýëåìåíò, ï°îÿâëÿåò íåìåòàëëè÷åñêèå ñâîéñòâà.  âîäî°îäíûõ è êèñëî°îäíûõ ñîåäèíåíèÿõ íàõîäèòñÿ â ñîñòàâå °àçëè÷íûõ àíèîíîâ, îá°àçóåò ìíîãèå êèñëîòû è ñîëè. Áîëüøèíñòâî ñå°îñîäå°æàùèõ ñîëåé ìàëî°àñòâî°èìû â âîäå. Ñå°à ÿâëÿåòñÿ ïÿòíàäöàòûì ïî õèìè÷åñêîé °àñï°îñò°àíåííîñòè ýëåìåíòîì â çåìíîé êî°å. Âñò°å÷àåòñÿ â ñâîáîäíîì (ñàìî°îäíîì) ñîñòîÿíèè è ñâÿçàííîì âèäå. Âàæíåéøèå ï°è°îäíîå ñîåäèíåíèå ñå°û FeS2 " æåëåçíûé êîë÷åäàí, ïè°èò, ZnS " öèíêîâàÿ îáìàíêà, PbS " ñâèíöîâûé áëåñê, HgS " êèíîâà°ü, ñåôòü, ï°è°îäíîãî óãëÿ. Ñå°à " øåñòîé ýëåìåíò ïî ñîäå°æàíèþ â ï°è°îäíûõ âîäàõ, âñò°å÷àåòñÿ â îñíîâíîì â âèäå ñóëüôàò-èîíà è îáóñëàâëèâàåò «ïîñòîÿííóþ» æåñòêîñòü ï°åñíîé âîäû. Æèçíåííî âàæíûé ýëåìåíò äëÿ âûñøèõ î°ãàíèçìîâ, ñîñòàâíàÿ ÷àñòü ìíîãèõ áåëêîâ, êîíöåíò°è°óåòñÿ â âîëîñàõ. Áîëüøèå ñêîïëåíèÿ ñàìî°îäíîé ñå°û âñò°å÷àþòñÿ íå òàê óæ ÷àñòî. ×àùå îíà ï°èñóòñòâóåò â íåêîòî°ûõ °óäàõ. Ðóäà ñàìî°îäíîé ñå°û " ýòî ïî°îäà ñ âê°àïëåíèÿìè ÷èñòîé ñå°û.

 

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