Magnesium yog cov khoom siv tshuaj nrog lub cim Mg thiab tus lej atomic 12. Nws yog cov khoom ci grey uas dais lub cev zoo ib yam li lwm tsib lub ntsiab lus hauv kab thib ob ntawm lub sijhawm …
Cov ntsiab lus twg muaj cov tshuaj zoo ib yam li Magnesium?
Yog li Magnesium thiab Lithium muaj cov khoom zoo sib xws. Yog li, lo lus teb raug yog "Option A". Faj seeb: Nws pom tau tias chemistry ntawm ib pawg thawj zaug (thib ob) lub caij feem ntau muaj qhov zoo sib xws rau chemistry ntawm pawg thib ob (lub sijhawm thib peb) lub caij ib kab rau sab xis ntawm nws nyob rau hauv lub sij hawm.
Cov ntsiab lus twg muaj cov khoom zoo sib xws?
Cov kab ntsug ntawm lub rooj zaum yog hu ua pab pawg lossis tsev neeg vim lawv cov cwj pwm tshuaj lom neeg zoo sib xws. Tag nrho cov cov tswv cuab ntawm ib tsev neeg ntawm cov ntsiab lusmuaj tib tus lej ntawm valence electrons thiab cov khoom siv tshuaj zoo sib xws.
Do mg Ca thiab Sr muaj cov khoom zoo sib xws?
Y Lawv yog beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), thiab radium (Ra). Cov ntsiab lus muaj
cov khoom zoo sib xws : lawv tag nrho cov ci, silvery-dawb, me ntsis reactive hlau ntawm tus qauv kub thiab siab.
Lub ntsiab lus twg zoo ib yam li CA?
Calcium yog cov khoom siv tshuaj nrog lub cim Ca thiab atomic naj npawb 20. Raws li cov hlau alkaline ntiaj teb, calcium yog cov hlau reactive uas tsim cov txheej tsaus nti oxide-nitride thaum raug huab cua. Nws lub cev thiab tshuaj muaj zog zoo ib yam li nws cov homologues hnyav dua strontium thiab barium
