Tuesday 2 August 2011

Zinc (Zn)

Atomic Number: 30

Relative Atomic Mass: 63.3824

Electronegativity: 1.65

Atomic Radius (Picometers): 135

Appearance: Silver-Grey

Occurrence: Natural

Melting Point (Kelvin): 692.68

Boiling Point (Kelvin): 1180

Stable Isotopes: 64, 66, 67, 68, 70

Discoverer: The Ancients

Properties: Hard, Brittle

First Use: Ornaments (1st Century BC)

Modern Uses: Galvanising, Dietary Supplement

File:Zinc fragment sublimed and 1cm3 cube.jpg

Picture Courtesy of Alchemist-hp

©2011 Grant Dwyer

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