Cov txheej txheem:

Dab tsi yog cov ntawv rau magnesium?
Dab tsi yog cov ntawv rau magnesium?

Video: Dab tsi yog cov ntawv rau magnesium?

Video: Dab tsi yog cov ntawv rau magnesium?
Video: Yog hmoov dab tsi - Gao Nou Kue ft. Mang Vang (Official Music Video) New song 2020 2024, Tej zaum
Anonim

Magnesium: qhov tseem ceeb

  • Lub npe: magnesium .
  • Symbol: Mg.
  • Atomic naj npawb: 12.
  • Kwv tij atomic mass (Ar): 24.305 ntau: [24.304, 24.307]
  • Txheem lub xeev: khoom ntawm 298 K.
  • Qhov tsos: silvery dawb.

Ntawm no, dab tsi yog lub cim tseeb rau magnesium?

Magnesium . Chemical element, hlau, cim Mg , nyob rau hauv pawg IIa nyob rau hauv lub periodic table, atomic tooj: 12, atomic hnyav: 24, 312. Magnesium yog silvery dawb thiab lub teeb heev.

Tsis tas li ntawd, magnesium pom nyob rau hauv qhov xwm txheej li cas? Magnesium yog lub thib yim tshaj plaws nyob rau hauv lub ntiaj teb lub crust, tab sis tsis tshwm sim uncombined nyob rau hauv xwm . Nws yog pom nyob rau hauv loj deposits nyob rau hauv minerals xws li magnesite thiab dolomite. Nws yog npaj los ntawm kev txo magnesium oxide nrog silicon, los yog los ntawm electrolysis ntawm molten magnesium tshuaj chloride.

Xav txog qhov no, dab tsi thaiv yog magnesium hauv?

Magnesium yog Block S, Pab pawg 2 , Lub caij 3 lub caij. Tus naj npawb ntawm electrons nyob rau hauv txhua ntawm Magnesium lub plhaub yog 2, 8, 2 thiab nws cov teeb tsa hluav taws xob yog [Ne] 3s2. Magnesium atom muaj lub vojvoog ntawm 160.pm thiab nws lub vojvoog Van der Waals yog 173.pm. Hauv nws daim ntawv tseem ceeb, CAS 7439-95-4, magnesium muaj qhov ci ntsa iab.

Dab tsi yog 3 lub cev lub cev ntawm magnesium?

Magnesium yog ib qho ci iab, nyiaj lossis grey xim hlau uas yog lub teeb hauv hnyav thiab muaj zog. Th ceev ntawm magnesium yog 1.738 g / mL, uas txhais tau hais tias cov hlau yuav tog hauv dej, tab sis nws tseem yog lub teeb. hnyav . Chemical Properties: Magnesium yog cov hlau dawb.

Pom zoo: