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Zinc Zn Atomic Number: 30 Atomic Weight: 65.38 Melting Point: 692.88 KBoiling Point: 1180 KSpecific mass: 7.134 g/cm3 Electronegativity: 1.65
Cadmium Cd Atomic Number: 48 Atomic Weight: 112.411 Melting Point: 594.33 K Boiling Point: 1040 KSpecific mass: 8.69 g/cm3 Electronegativity: 1.69
Mercury Hg Atomic Number: 80 Atomic Weight: 200.59 Melting Point: 234.43 K Boiling Point: 630 KSpecific mass: 13.5336 g/cm3 Electronegativity: 2.00
Copernicium Cn Atomic Number: 112 Atomic Weight: [285] Melting Point: ? K Boiling Point: ? KSpecific mass: ? 23.7 g/cm3 Electronegativity: ?
