Selenite (ion)
The selenite anion is a selenium oxoanion with the chemical formula.
A selenite is a compound that contains this ion.
In slightly acid conditions, the hydrogenselenite ion,, is formed; in more acidic conditions selenous acid, H2SeO3, exists.
Most selenite salts can be formed by heating the relevant metal oxide with selenium dioxide, e.g.:
See :Category:Selenites for a list.
