Cas 7782-49-2 puritas alta 99.9%-99.999% Selenium Se puluerem

Symbolum:

Se

CAS

7782-49-2

Numerus atomicus:

34

Pondus atomicus:

78.96

Densitas:

4.79 gm/cc

Liquescens punctum:

217 oC

Ferveret:

684.9 oC

Scelerisque conductivity:

0.00519 W/cm/K @ 298.2 K

Resistivity electrica:

106 microhm-cm @ 0 oC

Electronegativity:

2.4 Paulings

Imprimis Caloris:

0.767 Col/g/K @ 25 oC

Calor vaporis;

3.34 K-cal/gm atomus ad 684.9 oC

Calor eget.

1.22 Col/gm mole