Cas 7782-49-2 ịdị ọcha dị elu 99.9% -99.999% Selenium Se ntụ ntụ

Akara:

Se

CAS

7782-49-2

Nọmba atọm:

34

Ibu Atọmk:

78.96

Njupụta:

4.79 gm/cc

Ebe mgbaze:

217 oC

Ebe esi mmiri:

684,9 oC

Nrụpụta okpomọkụ:

0.00519 W/cm/K @ 298.2 K

Mgbochi ọkụ eletrik:

106 microhm-cm @ 0 oC

Electronegativity:

2.4 Paulings

Okpomọkụ akọwapụtara:

0.767 Cal/g/K @ 25 oC

Okpomọkụ nke vaporization:

3.34 K-cal/gm atọm na 684.9 oC

Okpomọkụ nke Fusion:

1.22 Cal / gm mole