Cr⁺⁶O₃;
Cr⁺²O;
Cr⁺³₂(SO₄)₃;
Cr⁺²(OH)₂;
K₂Cr⁺⁶O₄ або K₂Cr⁺⁶₂O₇.
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Cr⁺⁶O₃;
Cr⁺²O;
Cr⁺³₂(SO₄)₃;
Cr⁺²(OH)₂;
K₂Cr⁺⁶O₄ або K₂Cr⁺⁶₂O₇.