2) Daim ntawv cog lus tsis pub lwm tus paub tuaj yeem kos npe
3) Xya hnub rov qab lav
Tseem ceeb tshaj: peb tuaj yeem muab tsis tau tsuas yog cov khoom lag luam, tab sis kev pabcuam kev daws teeb meem!
Yam khoom | Chemical element | Yuav tsum tau muaj | xeem tau | ||
CrMnFeCoNi | Cr | 17.62-19.47 dr hab | 18.86 Nws | ||
Fe | 18.92-20.91 Nws | 20.09 Nws | |||
Co | 19.96-22.07 Nws | 20.96 Nws | |||
Ni | 19.88-21.98 Nws | 21.01 Nws | |||
Mn | 18.61-20.57 dr hab | Bal | |||
Hom | Epoch |