Zinc - Zn
Atomic Number 30 Atomic Mass 65.39 Density 7.14 g/mL
State solid Color bluish grey Electronegativity 1.65
Melting Point 419.58°C Boiling Point 907°C
Natural Isotopes Zn-64 48.6% Zn-66 27.9%
Zn-67 4.1%
Zn-68 18.8% Zn-70 0.6%
Abbreviated Electron Configuration [Ar] 3d10 4s2
Known since BC