Properties fisik saka Actinium lan kobalt
Brinell atose
ora Sumadhiya
Vickers atose
ora Sumadhiya
Kacepetan swara
ora Sumadhiya
reflectivity
ora Sumadhiya
α allotropes
ora Sumadhiya
α-kobalt
β allotropes
ora Sumadhiya
β-kobalt
γ allotropes
ora Sumadhiya
ora Sumadhiya