Cas 7782-49-2 Paqijiya bilind 99.9% -99.999% Selenium Se Powder

Nîşan:

Se

Qal

7782-49-2

Hejmara Atomî:

34

Weight Atom:

78.96

Dendik:

4.79 Gm / cc

Melting Point:

217 oc

Point Point:

684.9 OC

Conductivery Thermal:

0.00519 w / cm / k @ 298.2 k

Bihurîniya elektrîkê:

106 microhm-cm @ 0 oc

Electronegativity:

2.4 Paulings

Germek taybetî:

0.767 cal / g / k @ 25 OC

Heat of Vaporization:

3.34 K-Cal / GM Atom at 684.9 OC

Heat of Fusion:

1.22 Cal / Gm Mole