Trigonal planar
SeO3-2 stands for Selinite Ion.
SeO3 is acidic in water because it can react with water to form an acidic solution. When SeO3 reacts with water, it forms selenous acid, which is a weak acid.
The name of the compound SeO3 is selenium trioxide.
The molecular shape of SeO3 is trigonal planar. It has a central selenium atom bonded to three oxygen atoms, with no lone pairs on the central atom, resulting in a trigonal planar geometry.
trigonal planar
polar
Lithium is Li^+ , and selenite is SeO3^2-. It will take 2 Li^+ for each SeO3^2-, so the formula is Li2SeO3
Fe2(SeO3)3
The hybridization of SeO3 is sp3, as selenium has four electron groups around it (three bonding pairs and one lone pair). This results in a tetrahedral arrangement of electron pairs and a sp3 hybridization.
There are two unbonded electrons present in SeO3^2-.
The chemical formula for diselenium dichloride is Se2Cl2.