Uyini Umehluko phakathi kwe-Barium ne-Strontium?

Umehluko oyinhloko phakathi kwe-barium ne-strontium ukuthi insimbi ye-barium isebenza kakhulu ngamakhemikhali kunensimbi ye-strontium.

Iyini i-Barium?

I-Barium iyikhemikhali enophawu u-Ba kanye nenombolo ye-athomu engu-56. Ibonakala njengensimbi esiliva-grey enombala ophuzi ngokuphaphathekile.Lapho kufakwe i-oxidation emoyeni, ukubonakala okumhlophe kwesiliva kuyanyamalala kunikeze ungqimba olumpunga olumnyama oluhlanganisa i-oxide.Lesi sakhi samakhemikhali sitholakala kuthebula le-periodic eqenjini lesi-2 kanye nenkathi yesi-6 ngaphansi kwezinsimbi zomhlaba ezine-alkaline.Iyingxenye ye-s-block enokumiswa kwe-electron [Xe]6s2.Iqinile ezingeni lokushisa elijwayelekile nokucindezela.Inephuzu lokuncibilika eliphezulu (1000 K) kanye nendawo yokubilisa ephezulu (2118 K).Ukuminyana kuphezulu kakhulu futhi (cishe 3.5 g/cm3).

I-Barium ne-strontium amalungu amabili eqembu le-alkaline Earth metals (iqembu 2) lethebula le-periodic.Lokhu kungenxa yokuthi lama-athomu ensimbi anokumiswa kwe-electron ye-ns2.Nakuba beseqenjini elilodwa, angamalungu ezikhathi ezihlukene, okwenza ahluke kancane komunye nomunye ngezakhiwo zawo.

Ukuvela kwemvelo kwe-barium kungachazwa njenge-primordial, futhi inokwakheka kwekristalu eyi-cubic egxile emzimbeni.Ngaphezu kwalokho, i-barium iyinto ye-paramagnetic.Okubaluleke nakakhulu, i-barium inesisindo esithile esilinganiselwe kanye nokuhamba kukagesi okuphezulu.Lokhu kungenxa yokuthi le nsimbi inzima ukuyihlanza, okwenza kube nzima ukuthola izici zayo eziningi.Uma kucutshungulwa ukusebenza kabusha kwayo kwamakhemikhali, i-barium inokuphinda isebenze okufana ne-magnesium, i-calcium, ne-strontium.Kodwa-ke, i-barium iyasebenza kakhulu kunalezi zinsimbi.Isimo esijwayelekile se-oxidation se-barium ngu-+2.Muva nje, izifundo zocwaningo zithole ifomu le-barium +1 futhi.I-Barium ingasabela nge-chalcogens ngendlela yokusabela kwe-exothermic, ikhulula amandla.Ngakho-ke, i-metallic barium igcinwa ngaphansi kwamafutha noma endaweni engenalutho.

Iyini i-Strontium?

I-Strontium isakhi samakhemikhali esinophawu Sr kanye nenombolo ye-athomu engu-38. Iyinsimbi yomhlaba ene-alkaline eqenjini 2 kanye nesikhathi sesi-5 sethebula le-periodic.Iqinile ezingeni lokushisa elijwayelekile nokucindezela.Iphuzu lokuncibilika le-strontium liphezulu (1050 K), kanti indawo yokubilisa nayo iphakeme (1650 K).Ukuminyana kwayo kuphezulu futhi.Kuyi-s block element ene-electron configuration [Kr]5s2.

I-Strontium ingachazwa njengensimbi eyisiliva eyi-divalent ene-tint ephuzi ngokuphaphathekile.Izakhiwo zale nsimbi ziphakathi phakathi kwezakhi zamakhemikhali ezingomakhelwane i-calcium ne-barium.Le nsimbi ithambile kune-calcium futhi ilukhuni kune-barium.Ngokufanayo, ukuminyana kwe-strontium kuphakathi kwe-calcium ne-barium.Kukhona ama-allotropes amathathu e-strontium futhi.I-Strontium ibonisa ukusebenza kabusha okuphezulu ngamanzi nomoya-mpilo.Ngakho-ke, ngokwemvelo kwenzeka kuphela kumakhompiyutha ahambisana nezinye izakhi ezifana ne-strontianite ne-celestine.Ngaphezu kwalokho, sidinga ukuyigcina ngaphansi kwama-hydrocarbon awuketshezi njengamafutha amaminerali noma uphalafini ukuze sigweme i-oxidation.Kodwa-ke, insimbi entsha ye-strontium iphenduka ngokushesha ibe umbala ophuzi lapho ibekwe emoyeni ngenxa yokwakheka kwe-oxide.

Uyini Umehluko Phakathi Kwe-Barium ne-Strontium?

I-Barium ne-strontium ziyizinsimbi ezibalulekile zomhlaba ezine-alkaline eqenjini lesi-2 letafula lezikhathi ezithile.Umehluko oyinhloko phakathi kwe-barium ne-strontium ukuthi insimbi ye-barium isebenza kakhulu ngamakhemikhali kunensimbi ye-strontium.Ngaphezu kwalokho, i-barium ithambile ngokuqhathaniswa kune-strontium.