The chemical formula of nickel ii selenide is NiSe.

This is a crystalline inorganic substance that is yellow, green or blue in color and emits hazardous fumes when heated. It is used in electroplating and as a chemical intermediary in the production of other types of nickel compounds.

It is found in retgersite, a rare mineral that is a byproduct of copper refining. It contains one atom of nickel and one atom of sulfur and four atoms of oxygen.

The oxidation state of the nickel in this compound is normally 2+, so it will be NiSe when you add an ion of S. It is a little tricky to figure out the chemical formula because it is ionic, so you need to know the oxidation number of the nickel and the oxidation state of the sulfide.

Sulfate Compounds are salts or esters of sulfuric acid that contain a metal replacing one or both of the hydrogens. They are moderately water and acid soluble.

They are also soluble in organic solutions, and sometimes both. Sulfates can be formed by a two-step displacement reaction between the sulfate and a base, such as hydrochloric acid.

Sulfates can be toxic to aquatic organisms. Generally, they are emitted as a result of atmospheric and terrestrial activities, such as sulfide-containing minerals and volcanic activity. They can bioaccumulate in marine organisms, and may be toxic to human beings. This is especially true when people consume contaminated food or drink.

tags: semiconductor semiconductor material