1. Zinc Zn 30

2. History Johann Henckel German Metuallurgist 1721

3. Atomic Structures Electrons per. Shell- 2,8,18,2 30 protons 30 neutrons 35 electrons

4. Properties When polished it is bright Low melting point- 420 degrees Celsius Soft and very scratched mineral Zinc is amphitricha Transition metal Atomic weight- 65.38 Melting point- 692.68k Boiling point- 118k 210 degrees Celsius zinc becomes brittle

5. Uses Is a metal that makes most dry batteries cases Barbed wired fences In cells Vitamins (total cereal)

6. Others Makes two-thousands of one percent of Earth’s crust 25 th most common element Also known as spelter Used for brass, lead, tin, copper, aluminum

7. Bibliography http://theodoregray.com/periodictable/Elem ents/030/index.html http://en.wikipedia.org/wiki/Main_Page http://images.google.com/imghp?hl=en&tab =wi Turnpike,Sherman Elements Danbury, CT 1996 Wikipedia.org/zinc/:education.jlab http://www.ask.com/?o=0&l=dir\ http://www.lifescript.com/Health/A- Z/Alternative-Therapies_A- Z/NaturalRemedies/Z/Zinc.aspx?gclid= CIS7gOaM250CFRwhDQod1CpfqA&t rans=1&du=1&ef_id=1350:3:s_93b193 0e2c3ac12d9da0add08a31e28d_264854 6761:SuXJ80NIYXsAADGtyBcAAAM A:20091026161027