Zinc

From Citizendium
Revision as of 08:11, 11 March 2011 by imported>Robert Badgett
Jump to navigation Jump to search
This article is a stub and thus not approved.
Main Article
Discussion
Related Articles  [?]
Bibliography  [?]
External Links  [?]
Citable Version  [?]
Properties [?]
 
This editable Main Article is under development and subject to a disclaimer.

Zinc is a chemical element, having the chemical symbol Zn.

Zinc
65.409(4)



  Zn
30
[Ar] 4s2 3d10
[ ? ] Transition metal:

Its atomic number (the number of protons) is 30. It has a Standard Atomic Weight of 65.409(4), and is typically found as a solid in its elemental form.

Zinc is considered to be a member of the "Transition metal" class of elements, has a boiling point of 907 °C , and a melting point of 419.5 °C .

Health care

"Zinc administered within 24 hours of onset of symptoms reduces the duration and severity of the common cold in healthy people" according to the Cochrane Collaboration.[1]

References

  1. Singh M, Das RR (2011). "Zinc for the common cold.". Cochrane Database Syst Rev 2: CD001364. DOI:10.1002/14651858.CD001364.pub3. PMID 21328251. Research Blogging.