Properties fisik saka Praseodymium lan kobalt
fisik Properties
leleh Point
935.00 ° C
99+
1,495.00 ° C
29
Boiling Point
3,130.00 ° C
27
2,870.00 ° C
34
katon
State fisik
Solid
Solid
warna
klawu putih
Gray
luster
metallic
metallic
atose
Mohs atose
ora Sumadhiya
5.00
8
Brinell atose
481.00 MPa
24
470.00 MPa
26
Vickers atose
400.00 MPa
25
1,043.00 MPa
11
Kacepetan swara
2,280.00 m / s
40
4,720.00 m / s
14
Properties Optical
reflectivity
ora Sumadhiya
67.00 %
11
allotropes
Ora
Ya
α allotropes
ora Sumadhiya
α-kobalt
β allotropes
ora Sumadhiya
β-kobalt
γ allotropes
ora Sumadhiya
ora Sumadhiya
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