Constituent Na2SeO3 | SSHADE

Constituent

Name: Na2SeO3
Official name: Sodium selenite

Family: ionic solid
Class: alkali salt
Compound type: selenite

Constituent abundance in material

Relevance: main - major
Arrangement: single phase
Mass fraction: 1.0
Mole fraction: 1.0

Chemical composition

Formula: $(Na^+)_2 \cdot SeO_3^{2-}$
Chemical formula: Na2SeO3
Elemental formula: (Na+)2 Se O (O-)2
Isotope mixture type: terrestrial abundance

	Formula	Name	Family	Number min-max	Mole fraction	Isotope mole fraction	State	Relevance
	$Na^+$	Sodium cation	element	2	0.6666666666666666	1	constituent cation	main
	$SeO_3^{2-}$	Selenite ion	molecule	1	0.3333333333333333	1	constituent anion	main

Chemical functions and bonds

Chemical bonds

	Bond	Number	Relevance
	$Na^+ \cdot O^{-}-$	2
	$\eqslantgtr Se-O^{-}$	2	main
	$>Se=O$	1	main

Class: alkali salts (06)
Type: simple alkali salts (06.01)

Phase type: crystalline

Crystallography

Crystal system: tetragonal

Texture: polycrystalline

Physical properties

Molar mass: 172.95 $g/mol$
Density: 3.1 $g/cm^3$

Optical properties

Refringence type: uniaxial
Color: white