Zinc (Zn) — Element 30: Properties & Data | Aladdin Scientific
Zinc(Zn) — Element 30
Zinc (Zn) is a transition metal with atomic number 30 and atomic mass 65.4. It has melting point 692.68 K (420 °C), boiling point 1180 K (907 °C), density 7.134 g/cm³. It sits in group 12 and period 4 of the periodic table and was discovered in 1746.
Key facts
| Atomic mass | 65.4000 u |
|---|---|
| Electron configuration | [Ar]4s2 3d10 |
| Oxidation states | +2 |
| Electronegativity (Pauling) | 1.65 |
| Atomic radius (van der Waals) | 139 pm |
| Ionization energy | 9.394 eV |
| Melting point | 692.68 K |
| Boiling point | 1180 K |
| Density | 7.134 g/cm³ |
| Standard state | Solid |
| Year discovered | 1746 |
Frequently asked questions
What is the electron configuration of zinc?
The ground-state electron configuration of zinc is [Ar]4s2 3d10.
What group and period is zinc in?
Zinc (Zn) is in group 12 and period 4 of the periodic table, classified as a transition metal.
What is the melting point of zinc?
Zinc melts at 692.68 K (420 °C).
What is the standard state of zinc?
Zinc is a solid at standard temperature and pressure.
Related elements
About this data: property values compiled from IUPAC Standard Atomic Weights (2021), the NIST Atomic Spectra Database, and PubChem. Curated by the Aladdin Scientific technical team. Last reviewed: .