Pasent 7782-49-2 dị elu di ọcha 99.9% -99.999% selenium se ntụ

Akara:

Se

Ikpe

7782-49-2

Nọmba atomic:

34

Ibu atomic:

78.96

Njupụta:

4.79 gm / cc

Na-agbaze

217 OC

Isi mmiri:

684.9 OC

Na-eme ihe ọkụkụ:

0.00519 w / cm / k 298.2 K

Eletriki na-adịgide:

106 microhm-cm @ 0 oc

Electronegativity:

2.4 Paul

Okpomoku di iche iche:

0.767 cal / g / k @ 25 OC

Okpomoku nke veporization:

3.34 K-cal / GM ATM na 684.9 OC

Okpokoro nke Fin:

1.22 cal / gm ahu