Zinc
This is an old revision of this page, as edited by Ed Poor (talk | contribs) at 18:48, November 19, 2008. It may differ significantly from current revision.
Zinc is one of the oldest metals known to mankind.[1] It is a chemical element in the periodic table that has the symbol Zn and atomic number 30. In some historical and sculptural contexts, it is (or was) known as spelter.
| Zinc | |
|---|---|
| Properties | |
| Atomic symbol | Zn |
| Atomic number | 30 |
| Atomic mass | 65.4 amu |
| Other Information | |
| Date of discovery | 1746 |
| Name of discoverer | Andreas Marggraf |
| Name origin | From the German word zin (meaning tin) |
| Uses | Metal coating, rust protection (galvanising), brass, bronze, nickel |
| Obtained from | Zinc blende, calamine |
Zinc lozenges have been claimed to lessen the duration of the common cold, but
- As with more traditional over-the-counter medications, evidence that these products help reduce the duration of colds or lessen symptoms is mostly subjective, says Linda Lambert, cold and flu program director at the National Institute of Allergy and Infectious Disease.[2]
Notes
- â [ Zinc, Wide Usage of a Modest Metal: One of the Earliest Metals to have Appeared in Human History]
- â Zinc may lessen length, severity of cold