I don't know what the "2" is, but NH4+ is the formula for the ammonium ion. It has a charge of 1+.
NH4 is the chemical formula of the cation ammonium - (NH4)+.
The name of NH4+ is ammonium ion. Its chemical formula is NH4+.
This formula is for ammonium oxide.
sulfate anion SO42- the salt of sulfuric acid. ammonium cation NH4+ which is protonated ammonia.
The chemical formula (NH4)2Cr2O7 is for ammonium dichromate.
NH4+ is the chemical formula for an ammonium ion.
NH4 is the chemical formula of the cation ammonium - (NH4)+.
The name of NH4+ is ammonium ion. Its chemical formula is NH4+.
This formula is for ammonium oxide.
sulfate anion SO42- the salt of sulfuric acid. ammonium cation NH4+ which is protonated ammonia.
The chemical formula (NH4)2Cr2O7 is for ammonium dichromate.
The correct chemical name for (NH4)2S is ammonium sulfide.
The chemical formula of ammonium sulphite is (NH4)2SO3.
The name is ammonium sulfide.
Ammonium phosphide is a chemical name; the chemical formula is (NH4)3P.
(NH4)2CO3
The compound NH4 2Cr2O7 is known as ammonium dichromate. Its chemical structure consists of two ammonium ions (NH4+) and one dichromate ion (Cr2O7^2-). The dichromate ion is composed of two chromium atoms bonded to seven oxygen atoms in a polyatomic anion.