Zn
Zinc
Transition MetalAtomic Number: 30 • Atomic Mass: 65.3800 u • Period: 4 • Group: 12
Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰
Phase: Solid
Electronegativity: 1.65
Physical & Chemical Properties
Physical Properties
- •Bluish-white, lustrous metal
- •Brittle at room temperature but malleable at 100-150°C
- •Low melting point (692.68 K or 419.53°C)
- •Moderate conductor of electricity
- •Highly resistant to atmospheric corrosion
Melting Point
692.68 K (419.53 °C, 787.15 °F)
Boiling Point
1180 K (906.85 °C, 1664.33 °F)
Density
7.134 g/cm³
Electronegativity
1.65 (Pauling scale)
Chemical Properties
- •Main oxidation state is +2
- •Amphoteric - reacts with both acids and strong bases
- •Forms a protective layer of zinc carbonate when exposed to air
- •Highly reactive with acids, releasing hydrogen
- •Strong reducing agent
Electron Configuration
1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰Electron configuration describes how electrons are distributed in atomic orbitals, showing how they are arranged in energy levels and subshells.