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28Ni58.693
Nickel
Transition MetalNickel is a chemical element with symbol Ni and atomic number 28. It is a silvery-white lustrous metal with a slight golden tinge. Nickel belongs to the transition metals and is hard and ductile.
Phase: SolidAppearance: lustrous, metallic, and silver with a gold tinge
2, 8, 16, 2
Physical Properties
Atomic Mass58.69344 u
Density8.908 g/cm³
Melting Point1728 K
Boiling Point3003 K
Molar Heat26.07 J/(mol·K)
Period4
PhaseSolid
Chemical Properties
Electron Configuration1s2 2s2 2p6 3s2 3p6 4s2 3d8
Semantic Config[Ar] 3d8 4s2
Shells2, 8, 16, 2
Electron Affinity111.65 kJ/mol
Electronegativity1.91
Ionization Energies
IE1: 737.1 kJ/molIE2: 1753 kJ/molIE3: 3395 kJ/molIE4: 5300 kJ/molIE5: 7339 kJ/molIE6: 10400 kJ/molIE7: 12800 kJ/molIE8: 15600 kJ/molIE9: 18600 kJ/molIE10: 21670 kJ/molIE11: 30970 kJ/molIE12: 34000 kJ/molIE13: 37100 kJ/molIE14: 41500 kJ/molIE15: 44800 kJ/molIE16: 48100 kJ/molIE17: 55101 kJ/molIE18: 58570 kJ/molIE19: 148700 kJ/molIE20: 159000 kJ/molIE21: 169400 kJ/molIE22: 182700 kJ/molIE23: 194000 kJ/molIE24: 205600 kJ/molIE25: 221400 kJ/molIE26: 231490 kJ/molIE27: 992718 kJ/molIE28: 1039668 kJ/mol
Discovery
Discovered byAxel Fredrik Cronstedt