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Zinc atomic weights

Who or what is (or has ever been) the standard atomic weight (ratio of the average mass of atoms of an element to 1/12 of the mass of an atom of carbon-12) zinc, also known as spelter, a metallic chemical element; it has the symbol Zn and atomic number 30?
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ATOMIC WEIGHTS OF THE ELEMENTS 2009. These tables are based on the 2009 table at Pure Appl. Chem ... Zinc: 65.38(2) 2: 31: Ga: Gallium: 69.723(1) 32: Ge: Germanium: 72.63(1) 33: As: Arsenic: 74.92160(2)
Zinc (Zn) Atomic Data for Zinc (Zn) Atomic Number = 30 Atomic Weight = 65.39 Reference E95
Standard atomic weight: 65.38(2)(4) Electron configuration [Ar] 3d 10 4s 2: Electrons per ... In the wake of lead concerns, zinc appears in lab weights, tire weights, and flywheels.
Atomic Weight: 65.38: Electron Configuration: [Ar]4s 2 3d 10: Total Isotopes: 40: Total Isomers ... but when freshly formed ZnO is inhaled a disorder known as the oxide shakes or zinc ...
Atomic weight (symbol: A r) is a dimensionless physical quantity, the ratio of the average mass of ... 174.9668(1); molybdenum 95.96(2); nickel 58.6934(4); ytterbium 173.054(5); zinc 65.38(2).

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