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30Zn65.382
Zinc
Transition MetalZinc, in commerce also spelter, is a chemical element with symbol Zn and atomic number 30. It is the first element of group 12 of the periodic table. In some respects zinc is chemically similar to magnesium:its ion is of similar size and its only common oxidation state is +2.
Phase: SolidAppearance: silver-gray
2, 8, 18, 2
Physical Properties
Atomic Mass65.382 u
Density7.14 g/cm³
Melting Point692.68 K
Boiling Point1180 K
Molar Heat25.47 J/(mol·K)
Period4
PhaseSolid
Chemical Properties
Electron Configuration1s2 2s2 2p6 3s2 3p6 4s2 3d10
Semantic Config[Ar] 3d10 4s2
Shells2, 8, 18, 2
Electron Affinity-58 kJ/mol
Electronegativity1.65
Ionization Energies
IE1: 906.4 kJ/molIE2: 1733.3 kJ/molIE3: 3833 kJ/molIE4: 5731 kJ/molIE5: 7970 kJ/molIE6: 10400 kJ/molIE7: 12900 kJ/molIE8: 16800 kJ/molIE9: 19600 kJ/molIE10: 23000 kJ/molIE11: 26400 kJ/molIE12: 29990 kJ/molIE13: 40490 kJ/molIE14: 43800 kJ/molIE15: 47300 kJ/molIE16: 52300 kJ/molIE17: 55900 kJ/molIE18: 59700 kJ/molIE19: 67300 kJ/molIE20: 71200 kJ/molIE21: 179100 kJ/mol
Discovery
Discovered byIndia