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Then, what is CrO4?
Description: Chromate(2-) is a chromiumoxoanionresulting from the removal of two protons from chromicacid. It isa divalent inorganic anion and a chromiumoxoanion.
Subsequently, question is, what is Cr2O7? Description: Dichromate(2-) is a divalent inorganicanionobtained by removal of both protons from dichromic acid. Itis achromium oxoanion and a divalent inorganic anion. It is aconjugatebase of a hydrogen dichromate.
Moreover, what is the name of Cr2O3?
Chromium(III) oxide is the inorganic compound oftheformula Cr2O3. It is one of principal oxides of chromiumandis used as a pigment. In nature, it occurs as the raremineraleskolaite.
Is chromium a metal?
Chromium is a lustrous, brittle,hardmetal. Its colour is silver-gray and it can behighlypolished. It does not tarnish in air, when heated it bornsandforms the green chromic oxide. Chromium is unstableinoxygen, it immediately produces a thin oxide layer thatisimpermeable to oxygen and protects themetalbelow.