Mn has 25 protons.
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The name for this ion is:barium ion
Ca2+ is a cation formed by Calcium to become stable and attain the noble gas configuration of Argon. Calcium forms this cation by losing two electrons
Helium does not form ion.
The color of Mn2+ ion in estimation of iron 2 permanganometry is purple.
The compound Mn2(SO3)3 is called manganese(III)sulphite.
manganese is a 3d element. +2 is the oxidation number in this ion.
Mn: 1s22s22p63s23p63d54s2 Mn2+: 1s22s22p63s23p63d5
Mn2+ ion is responsible for the catalytic action
Purple permanganate ion is reduced and almost decolorized (to Mn(II)) by chloride ion in acid solution. Purple permanganate ion is reduced to green manganate ion by chloride ion in basic solution. In neutral chloride solution, there is no reaction.Source: UW Card Catalog
Oxidant half reaction: MnO4- + 8 H+ + 5e- --> Mn2+ + 4 H2O
Mn has 25 protons.
Cu+
Manganese Sulphate
Electron, with a plus sign.
Potassium ion