Atomic Properties
- Atomic Number
- 30
- Atomic Mass
- 65.3800 u
- Electron Configuration
- [Ar] 3d10 4s2
- Electronegativity
- 1.65
- Block
- d-block
- Group
- 12
- Period
- 4
Physical Properties
- Phase (STP)
- solid
- Melting Point
- 692.68 K
- Boiling Point
- 1180.00 K
- Density
- 7.1400 g/cm³
About Zinc
Used to galvanize steel; essential trace element for immune function.
Isotopes of Zinc
Zinc has 5 naturally occurring isotopes.
| Isotope | Mass Number | Atomic Mass (u) | Abundance | Type |
|---|---|---|---|---|
| 64Zn | 64 | 63.92914201 | 49.17% | Stable |
| 66Zn | 66 | 65.92603381 | 27.73% | Stable |
| 67Zn | 67 | 66.92712775 | 4.040% | Stable |
| 68Zn | 68 | 67.92484455 | 18.45% | Stable |
| 70Zn | 70 | 69.9253192 | 0.6100% | Stable |
Data source: NIH PubChem (aggregated from IUPAC, NIST)