30Zn65.38
Zinc (Zn)
Element 30 Ā· Transition metal
Zinc (Zn) is a chemical element with atomic number 30. It is classified as a transition metal in period 4, group 12 of the periodic table (the d-block). Its standard atomic weight is 65.38 u and its ground-state electron configuration is [Ar] 3dĀ¹ā° 4sĀ².
Zinc facts
| Atomic number (Z) | 30 |
|---|---|
| Symbol | Zn |
| Standard atomic weight | 65.38 u |
| Category | Transition metal |
| Group | 12 |
| Period | 4 |
| Block | d-block |
| Electron configuration | [Ar] 3dĀ¹ā° 4sĀ² |
| Electronegativity (Pauling) | 1.65 |
| State at 20 Ā°C | Solid |
| Protons / electrons | 30 / 30 |
| Neutrons (most common isotope, approx.) | 35 |
| Molar mass | 65.38 g/mol |