Taw qhia rau cov yam ntxwv ntawm txhuas thiab cov txheej txheem thib ob ntawm txhuas qhov chaw

Aug 18, 2021

Txhuas yog ib qho ntawm cov hlau uas muaj qhov dav tshaj plaws thiab feem ntau reserves nyob rau hauv lub ntiaj teb lub crust, suav txog li 8.3 feem pua ​​​​ntawm tag nrho cov loj ntawm lub ntiaj teb crust, thib ob tsuas yog oxygen thiab silicon, thiab siab dua hlau (li 4.75 feem pua), magnesium (kwv yees li 2.1 feem pua) thiab titanium (kwv yees li 0.6 feem pua) cov sum tseem ntau dua. Nws cov cim tshuaj lom neeg yog Al, qhov txheeb ze atomic huab hwm coj yog 26.98154, thiab qhov sib txawv valence yog ntxiv rau 3.

Koj Tseem Yuav Zoo Li