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10 x 10 x 10mm Wiredrawing Cobalt Cube Periodic Table Of Elements Cube(Co≥99.96%)
Features:
.High purity metal cobalt cube with a purity of 99.96%
.The universal size 10*10*10mm size is ideal for element lovers and metal lovers collections to fill your
collection
.The surface is wiredrawing, with obvious metallic luster and look, polish sharp edges and corners, not
easy to scratch, the surface looks high-end, the industrial atmosphere is strong, and with exquisite
lettering, including metal cobalt cycle number, atomic density, weight, purity, full name, reduced
information, extremely suitable for collection, teaching, play
.Cobalt symbol Co, silver-white ferromagnetic metal, the surface is silverish white with pale pink, in the periodic table in the 4th cycle, the VIII family, atomic number 27, atomic weight 58.9332, close-packed hexagonal crystal, common valence is +2 +3. Cobalt is a shiny steel gray metal that is relatively hard and brittle, ferromagnetic, and disappears when heated to 1150 °C. The valence of cobalt is +2 and +3. It does not interact with water at normal temperature and is stable in humid air. When heated to 300 ° C or higher in air, it oxidizes to form CoO, and when it is white, it burns to Co3O4. The fine metal cobalt powder produced by the hydrogen reduction method can self-ignite in the air to form cobalt oxide. Cobalt is an important raw material for the production of heat-resistant alloys, hard alloys, anti-corrosion alloys, magnetic alloys and various cobalt salts.
.The product is suitable for people over 8 years old
Specifications:
.Color: As Shown
.Material: Cobalt Metal
.Product Dimensions: 1 x 1 x 1cm
.Product Weight: 8.57g
.Package Dimensions: 2 x 2 x 2cm
.Package Weight: 15g
.Packing: Bag
Package Content:
.1 x Cube
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