Zinc

Transition metal · 65.4 u · group 12, period 4

Zinc · Zn

Atomic number30

SymbolZn

CategoryTransition metal

Standard stateSolid

Group · Period · Block12 · 4 · d

Electron configuration[Ar]4s2 3d10

Atomic mass65.4 u

Atomic radius139 pm

Protons / Neutrons / Electrons30 / 35 / 30

Shells (e⁻ per shell)2, 8, 18, 2

Electronegativity (Pauling)1.65

Ionization energy9.394 eV

Electron affinity—

Oxidation states+2

Melting point692.7 K · 419.5 °C

Boiling point1.18e+3 K · 906.9 °C

Density7.134 g/cm³

Year discovered1746

CPK color

#7D80B0

State at room temp (25 °C)

solid

Position