The charge is minus 2.
The formula for a chromate ion is CrO4-2, and its charge is -2.
The valency of the chromate ion is 2-. This means that the chromate ion has a charge of -2.
The correct formula for a compound between ammonium and chromate ions is (NH4)2CrO4. The ammonium ion is (NH4)+ and the chromate ion is (CrO4)2-.
2 atoms of Silver(Ag), 1 of Chromium(Cr) and 4 of Oxygen(O)
The ion for K2CrO4 is the chromate ion, which has a chemical formula of CrO4^2-.
The formula for a chromate ion is CrO4-2, and its charge is -2.
The formula, including the charge, for a chromate ion is CrO4-1.
The valency of the chromate ion is 2-. This means that the chromate ion has a charge of -2.
The chromate ion has a charge of 2-. Its symbol is CrO42-.
Sn(CrO4)2 Tin 4 means that the tin is a cation with a +4 charge. Chromate is a polyatomic ion with the formula (CrO4)-2. Since the tin ion has a +4 charge in this case, and the chromate ion has a -2 charge, there is a 1:2 ratio of tin ions to chromate ions.
Chromate is an divalent anion with formula CrO4-2
The color of chromate ion is yellow.
The chromate ion (CrO4^2-) is yellow in color.
The symbol for a chromate ion is CrO4^2-.
The sum of the oxidation numbers in the chromate ion (CrO4^2-) is -2. Chromium has an oxidation number of +6, and each oxygen atom has an oxidation number of -2. The overall charge of the chromate ion is -2.
Formula: CrO4-2
Chromate ion is a polyatomic anion with the formula CrO4^2-. It is a powerful oxidizing agent commonly used in chemical reactions, such as in the production of pigments and in corrosion protection coatings. Chromate compounds are also known for their yellow color.