×

Thallium
Thallium
☒

Technetium
Technetium
☒



ADD ⊕
Compare
X
Thallium
X
Technetium

Physical Properties of Thallium and Technetium

Physical

Melting Point

Boiling Point

Physical State

Color

Luster

Mohs Hardness

Brinell Hardness

Vickers Hardness

Speed of Sound

Refractive Index

Reflectivity

Allotropes

α Allotropes

β Allotropes

γ Allotropes

 
303.50 °C
1,457.00 °C
Solid
Silvery White
-
1.20
26.50 MPa
120.00 MPa
818.00 m/s
1.90
8.00 %
✔✘
-
-
-
 
2,200.00 °C
4,877.00 °C
Solid
Shiny Gray
-
2.25
550.00 MPa
500.00 MPa
16,200.00 m/s
1.90
35.00 %
✔✘
-
-
-