Constituent
Name
Se0 red
Official name
amorphous Selenium
Family
metallic solid
Class
pseudometal (semi-conductor)
Compound type
elemental solid
Constituent abundance in material
Relevance
main - major
Arrangement
single phase
Mass fraction
1.0
Mole fraction
1.0
Chemical composition
Formula
$Se$
Chemical formula
Se
Elemental formula
Se8
Isotope mixture type
terrestrial abundance
  Formula Name Family Number min-max Mole fraction Isotope mole fraction State Relevance
$Se$ Selenium element 8 1.0 1 constituent element main
Composition comments
puckered $Se_8$ rings
Chemical bonds
  Bond Number
$-Se-Se-$ 2
Class
pseudometals (14)
Type
homovalent monolayer pseudometals (14.01)
Phase name
amorphous Se
Phase type
amorphous
Crystal system
amorphous
Crystal class
N/A
Crystal class symbol
N/A
Crystal spacegroup
N/A
Texture
polycrystalline
Molar mass
78.971 $g/mol$
Density
4.3 $g/cm^3$
Refringence type
isotropic
Color
brick-red, reddish