Cas 7782-49-2 yakakwirira kuchena 99.9% -99.999% Selenium Se powder

Chiratidzo:

Se

CAS

7782-49-2

Atomic Number:

34

Atomic Weight:

78.96

Density:

4.79 gm/cc

Melting Point:

217 oC

Boiling Point:

684.9 oC

Thermal Conductivity:

0.00519 W/cm/K @ 298.2 K

Electrical Resistivity:

106 microhm-cm @ 0 oC

Electronegativity:

2.4 Paulings

Chaicho Kupisa:

0.767 Cal/g/K @ 25 oC

Kupisa kweVaporization:

3.34 K-cal/gm atomu pa684.9 oC

Kupisa kweFusion:

1.22 Cal/gm mole