×

Protactinium
Protactinium




ADD
Compare

Physical Properties of Protactinium

Add ⊕

Physical

Melting Point

1,568.00 °C
Rank: 21 (Overall)
-38.83 3410
👆🏻

Boiling Point

4,027.00 °C
Rank: 12 (Overall)
0 5660
👆🏻

Appearance

Physical State

Solid

Color

Silver

Luster

Metallic

Hardness

Mohs Hardness

5.00
Rank: 8 (Overall)
0.2 8.5
👆🏻

Brinell Hardness

125.00 MPa
Rank: 58 (Overall)
0.14 3490
👆🏻

Vickers Hardness

220.00 MPa
Rank: 50 (Overall)
0 3920
👆🏻

Speed of Sound

12,400.00 m/s
Rank: 3 (Overall)
818 16200
👆🏻

Optical Properties

Refractive Index

1.60
Rank: 33 (Overall)
0.155 3.41
👆🏻

Reflectivity

60.00 %
Rank: 23 (Overall)
5 97
👆🏻

Allotropes

No - Actinide Series Metals has it !

α Allotropes

-

β Allotropes

-

γ Allotropes

-