5Pcs High Purity 99.9% Pure Zinc Zn Sheet Plate Metal 100x100x0.2mm Science Lab

Product Description

Zinc is blue and white metal

Zinc is blue and white metal. Density 7.14 g / cc, melting point 419.5 ° C. At room temperature, brittle; 100 ~ 150 ℃, softening; more than 200 ℃, brittle. Zinc chemical activity. In normal air, the surface will form a layer of zinc carbonate film, to prevent further oxidation

In essence, there are sulfides in polymorphism

Atomic radius (calc) 135 (142) pm

Common radius of 131 pm

Van der Waals radius 139 pm

Content (ppm):

The content of solar elements: 2
Seawater content Element: 0.00005 (trace element)
Crustal content: 75 (trace elements)
Crystal structure: hexagonal
Nuclear atomic arrangement: 2,8,18,2
Nuclear power: 30

package:Pure Zinc Plate x5

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