Sinkki

Kemiallinen merkki: Zn
Järjestysluku: 30
Kategoria: siirtymämetallit
Ryhmä: 12
Jakso: 4
Lohko: d
Moolimassa: 65,38 g/mol
Elektronia kuorilla: 2, 8, 18, 2
CAS-numero: 7440-66-6
Olomuoto: kiinteä
Tiheys: 7,14 kg/l (lähellä huoneenlämpöä)
Sulamispiste: 692,68 K (419,53 °C, 787,15 °F)
Kiehumispiste: 1180 K (907 °C, 1665 °F)
Kiderakenne: hexagonal
Hapetusluvut: 1, 2
Elektronegatiivisuus: 1,65 (Pauling-asteikko)
Nimen alkuperä: Zinke
Nimen tarkoitus: 'finish', probably named by the alchemist Paracelsus
Faktoja:
- is chemically similar to magnesium because its ion is of similar size and its only common oxidation state is +2
- corrosion-resistant zinc plating of steel is the major application for zinc
- other applications are in batteries and alloys, such as brass
- is an essential mineral of exceptional biologic and public health importance
- zinc deficiency affects about 2 billion people in the developing world and is associated with ma
- in children zink deficiency causes growth retardation, delayed sexual maturation, infection susceptibility, and diarrhea, contributing to the death of about 800 000 children worldwide per year
- consumption of excess zinc can cause ataxia,\
- the metal was unknown to Europe until the end of the 16th century