|Atomic mass||65.4 amu|
|Crystal structure||Hexagonal||Color||Bluish gray||Date of discovery||1746||Name of discoverer||Andreas Marggraf||Name origin||From the German word zinke (meaning jagged or tooth-like)||Uses||Metal coating, rust protection (galvanization), brass||Obtained from||Zinc blende, calamine|
Zinc is one of the oldest metals known to mankind. It is a chemical element with the symbol Zn and atomic number 30. In some historical and sculptural contexts, it is (or was) known as spelter. It is a transition metal.
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.
Small pieces of zinc can burn with a blue flame.
- [ Zinc, Wide Usage of a Modest Metal: One of the Earliest Metals to have Appeared in Human History]
- Zinc may lessen length, severity of cold