Zinc is a metallic chemical element with the symbol Zn and atomic number 30. In nonscientific context it is sometimes called spelter.
Zinc is a moderately reactive, blue gray metal that tarnishes in moist air and burns in air with a bright bluish-green flame, giving off fumes of zinc oxide. It reacts with acids, alkalis and other non-metals. If not completely pure, zinc reacts with dilute acids to release hydrogen. The one common oxidation state of zinc is +2. From 100 °C to 210 °C (212 °F to 410 °F) zinc metal is malleable and can easily be beaten into various shapes. Above 210 °C (410 °F), the metal becomes brittle and will be pulverized by beating. Zinc is nonmagnetic.
||Melting point /°C
|No. of naturally occurring isotopes
||Boiling point /°C
|Effective ionic radius/pm II
|Ionization energy/kJmol-1 I
|Ionization energy/kJmol-1 II
|Ionization energy/kJmol-1 III
||E° (M2+(aq)\ + 2e- →M(s))/V
|Temperature (oC) @Vap. Pressure
||Al2O3 & Quartz
||Molybdenum, Tungsten & Tantalum
||Evaporates well under wide range of conditions.
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