Atomic Element Z = 30 • Transition Metal
Zinc (Zn) — Atomic Data, Electron Shells & Reactions
Zinc (symbol Zn, atomic number 30) has a standard atomic weight of 65.38 u and ground-state configuration [Ar] 3d10 4s2.
Atomic Number (Z)
30
IUPAC Symbol
Zn
Standard Atomic Weight
65.38 g/mol
Period / Group / Block
4 / 12 / d-block
Condensed Electron Config
[Ar] 3d10 4s2
Full Subshell Config
1s2 2s2 2p6 3s2 3p6 3d10 4s2
Principal Shell Occupancy
[2, 8, 18, 2]
Pauling Electronegativity
1.65
First Ionization Energy
906 kJ/mol
Covalent Radius
122 pm
Melting Point
692.68 K (419.53 °C)
Boiling Point
1180 K (906.85 °C)
Density
7.134 g/cm³
Oxidation States
+2
Zn (Z=30) — Valence shell highlighted in vermilion