High Purity 99.9% Pure Zinc Zn Sheet Plate Foil 140x140x0.2mm for Science Lab (Pack of 5)

Item Descriptions:
-Zinc is a bluish-white metal
-Zinc is a bluish-white metal. A density of 7.14 g / cc, a melting point of 419.5 ¡æ. At room temperature, brittle; 100 ~ 150 ¡æ,become softened; exceed 200 ¡æ, they become brittle. Zinc chemically is active. In the air of normal temperature,the surface will form a layer of zinc carbonate film.It can prevent further oxidation
-In nature, the multi-state presence sulfide
-Atomic radius (calc) 135 (142) pm
-Covalent radius 131 pm
-Van der Waals radius 139 pm
-Content (ppm):
-The content of elements in the sun: 2
Content elements in seawater: 0.00005 (trace elements)
Content of the crust: 75 (trace elements)
Crystal structure: Hexagonal
Extranuclear atomic arrangement: 2,8,18,2
Nuclear charge: 30

Package:
Pure Zinc Plate x5
Item Specifications:
Material:99.99% pure zinc
Size:140 x 140 x 0.2mm
Density:7.14 g / cc
Melting point:419.5 ¡æ
Brand:RotoMetals