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See Pictures of Different Types of Crystals

Potassium dichromate crystals occur naturally as the rare mineral lopezite.

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How To Grow Naturally Orange Crystals

Potassium dichromate crystals occur naturally as the rare mineral lopezite.

examples of moles for different substances (from left to right): copper, aluminum, sulfur, potassium dichromate, water, copper (II) chloride dihydrate

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Why Are Transition Metals Called Transition Metals?

Why Are Transition Metals Called Transition Metals?: Many transition metal solutions are brightly colored. From left to right, aqueous solutions of: cobalt(II) nitrate; potassium dichromate; potassium chromate; nickel(II) chloride; copper(II) sulfate; potassium permanganate.

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