Physical Properties of Technetium and Tantalum
Physical State
Solid
Solid
Color
Shiny Gray
Gray Blue
Mohs Hardness
Not Available
Brinell Hardness
Not Available
Vickers Hardness
Not Available
Reflectivity
Not Available
α Allotropes
Not Available
Not Available
β Allotropes
Not Available
Not Available
γ Allotropes
Not Available
Not Available