Nickel
Résumé
Atomic symbol: Ni Atomic number: 28 Atomic weight: 58.69 Isotopes and abundances: 58 Ni 68.0769 %, 60 Ni 26.2231 %, 61 Ni 1.1399 %, 62 Ni 3.6345 %, 64 Ni 0.9256 % 1 Atm melting point: 1455 C 1 Atm boiling point: 2913 C Common valences: 2+ Ionic radii: fourfold, 55 pm; fourfold square, 49 pm; fivefold, 0.63 pm; sixfold, 9 pm Pauling electronegativity: 1.91 First ionization energy: 737.1 kJ/mol Chondritic (CI) abundance: 1.091 % Silicate earth abundance: 0.186 % Crustal abundance: 47 ppm Seawater abundance: ~2–10 nM/kg Core abundance: ~5.2 %
Origine : Fichiers produits par l'(les) auteur(s)
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