Francium siv li cas?

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Francium siv li cas?
Francium siv li cas?

Video: Francium siv li cas?

Video: Francium siv li cas?
Video: Tshuaj theem vim li cas thiaj tau nqi ?/ Siv kho mob dab tsi?/paris polyphylla use for? 2024, Lub peb hlis ntuj
Anonim

Francium tau siv rau hauv kev tshawb fawb, chemistry thiab tseem nyob hauv cov qauv atomic. Nws yog siv rau kev kuaj mob rau kev kho mob qog noj ntshav. Nws kuj tseem siv tau hauv ntau qhov kev sim spectroscopic. Francium yog cov hlau uas muaj hluav taws xob zoo heev, thiab txij li nws nthuav tawm lub neej luv luv, nws tsis muaj kev cuam tshuam ntau dua rau ib puag ncig.

Koj tau txais francium li cas?

Francium tuaj yeem tsim los ntawm bombarding thorium nrog protons lossis los ntawm kev foob pob radium nrog neutrons. Francium tus isotope ruaj khov tshaj plaws, francium-223, muaj ib nrab-lub neej ntawm li 22 feeb. Nws lwj mus rau hauv radium-223 los ntawm beta lwj los yog mus rau hauv astatine-219 los ntawm alpha lwj.

Kev phom sij ntawm francium yog dab tsi?

Siv tau rau cov kws tshawb fawb

Qhov tseeb, francium yog qhov txaus ntshai rau tib neeg vim nws yog xov tooj cua. Cov khoom uas cov khoom siv hluav taws xob tso tawm tuaj yeem ua rau peb lub cev puas tsuaj thiab tuaj yeem ua rau muaj kab mob lossis mob qog noj ntshav.

Dab tsi zoo yog francium?

Nws yog qhov thib ob-tsawg kawg electronegative keeb, tom qab cesium. Nws yog qhov thib ob uas tsis tshua muaj ntuj tsim, tom qab astatin. Francium yog cov tswv cuab hnyav tshaj plaws ntawm alkali hlau series. Nws muaj qhov siab tshaj qhov hnyav tshaj ntawm txhua lub caijthiab yog qhov tsis ruaj khov tshaj plaws ntawm thawj 101 lub ntsiab lus ntawm lub caij nyoog.

5 siv francium yog dab tsi?

Siv Francium

  • Francium tau siv rau hauv kev tshawb fawb, chemistry thiab tseem nyob hauv cov qauv atomic.
  • Nws yog siv rau kev kuaj mob kho mob qog noj ntshav.
  • Nws kuj tseem siv rau hauv ntau qhov kev sim spectroscopic.

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