Al (sub) 2 Se (sub) 3
Aluminum selenide is Al2Se3
AL2(SeO4)3
Al2Se3
Al(HSe)3
Formula: Cs2SeO4
Rb2SeO4
Na2SeO4
(NH4)2SeO4, it is an ionic compound composed of 2 (NH4)+ ions and one (SeO4)2- ion.
An aluminum can is made up of the pure substance, aluminum. This means that it has the chemical formula of Al. The surface of aluminum does oxidize, so it will have the formula Al2O3.
Formula: Cs2SeO4
H2SeO4
Rb2SeO4
Na2SeO4
Formula: SeO42-
SeO4-2
The chemical formula is Cr2(SeO4)3.
The formula for magnesium selenide is MgSe. It is a compound that is brown in color and it is a crystalline solid.
This is the ortho-tellurate ion. TeO42-
No
(NH4)2SeO4, it is an ionic compound composed of 2 (NH4)+ ions and one (SeO4)2- ion.
max absorption wavelength of sodium selenate solution and colour