Physical Properties of Praseodymium and Radium
Physical State
Solid
Solid
Color
Grayish White
Silvery White
Brinell Hardness
Not Available
Vickers Hardness
Not Available
Speed of Sound
Not Available
α Allotropes
Not Available
Not Available
β Allotropes
Not Available
Not Available
γ Allotropes
Not Available
Not Available