Atomic Symbol: Zn
Atomic Number: 30
Atomic Weight: 65.38(2) g/mol
Isotopes and Abundances: Five stable isotopes: 64Zn, 49.17(75)%; 66Zn, 27.73(98)%; 67Zn, 4.04(16)%; 68Zn, 18.45(63)%; 70Zn, 0.61(10)%
1 Atm Melting Point: 419.6 °C
1 Atm Boiling Point: 907 °C
Common Valences: +2
Ionic Radii: 60 pm (4-fold) and 0.74 pm (6-fold)
Pauling Electronegativity: 1.65
First Ionization Energy: 906.4 kJ mol−1
Chondritic (CI) Abundance: 312 ppm
Silicate Earth Abundance: 55 ppm
Crustal Abundance: 70 ppm
Seawater Abundance: 35 ppb
Core Abundance: <5 ppm (?)
Properties
Zinc is a bluish-white, rather soft metal. Zinc has atomic number 30 and is the first of the group IIB elements in the periodic table. It has atomic mass 65.38(2) g/mol, density 7.14 g/cm3; its melting point of 419.6 °C is the lowest melting point of any transition metal aside from the other group IIB elements, Hg and Cd.
History and Use
Isolated examples of the use of impure zinc in ancient times have been...
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Brugger, J. (2018). Zinc. In: White, W.M. (eds) Encyclopedia of Geochemistry. Encyclopedia of Earth Sciences Series. Springer, Cham. https://doi.org/10.1007/978-3-319-39312-4_212
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