Thallium

81

Tl

Thallium

Properties

Atomic Number:
81
Atomic Symbol:
Tl
Atomic Mass:
204.3833u
CAS No:
7440-28-0
Density:
11.85 g/cm³
Series:
Post-transition Metal
Melting Point:
304°C
Boiling Point:
1,473°C
Thermal Conductivity:
0.46 W/cm °C
Heat of Fusion:
4.2 kJ/mol
Heat of Vaporization:
165 kJ/mol
Electronegativity:
1.62 pauling
Crystal Structure:
Hexagonal
Electric Conductivity:
6.7×106 S/m
Item # Product Formula CAS #
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