ZINC By: Morgan http:// www.webelements.com

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Physical Properties  Color: bluish-white  Lustrous metal  Conductor of electricity  Thermal conductivity  Solid  Boiling point- 1665ºF  Melting point- 787.15ºF  Malleable

Crystalline Structure  Hexagonal closed-packed

Atomic Structure  Symbol- Zn  Atomic number- 30  Atomic weight- 65.409

 # of protons- 30  # of electrons- 30  # of neutrons- 35

Zinc  Block: d-block  Period: 4  Group: 12  Electron configuration: [Ar].3d 10 .4s 2

Uses of Zinc  To make dry batteries  Roof cladding

Uses of Zinc  Light weight coins

Abundance  Never found as a free metal  Found in streams  Found in sea water  Found in humans  In vitamins

Chemical Properties  Zinc tarnishes in moist air and burns with a bright bluish-green flame  Reacts with acid and other non-metals  If zinc isn’t pure it r eacts with dilute acids to release hydrogen  Oxidation States: + 1 (rare) +2

Interesting Facts  Zinc and Sulfur Rocket Fuel Video  http://www.youtube

.com/watch?v=GMf5 yOMOMto&NR=1  Zinc was about $.70 a pound in January 1990.

 When you breathe in fresh zinc you could get a disorder called zinc chill or oxide shakes.