Q:

What is the formula for cobalt(II) selenide?

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Quick Answer

The chemical formula for cobalt(II) selenide is CoSe, according to Chemical Dictionary Online. It has a molar mass of 137.89 and a density of 7.65 grams per cubic centimeter. It has a melting point of 1,055 degrees Celsius. It appears as yellow hexagonal crystals.

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Full Answer

Full protective gear and the use of a respirator are always advised when handling cobalt(II) selenide. It is highly toxic and may be fatal if inhaled, swallowed or absorbed through the skin. Cobalt(II) selenide is also referred to as cobaltous selenide, selanylidenecobalt and selenoxocobalt. Cobalt(II) selenide is produced in many standard grades including optical, military, agricultural, technical, pharmaceutical and food. It is used in infrared imaging and detection.

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