Zinc (Zn) - Element 30 | Properties & Electron Configuration
What is Zinc?
Zinc (Zn) is element 30, a transition metal in period 4, group 12. Its electron configuration is 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s².
| Atomic Number | 30 |
| Symbol | Zn |
| Atomic Mass | 65.38 u |
| Category | Transition Metal |
| Period | 4 |
| Group | 12 |
| Block | d |
| Electron Configuration | 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² |
| Short Config | [Ar] 3d¹⁰ 4s² |
| Electronegativity | 1.65 |
| Atomic Radius | 134 pm |
| Ionization Energy | 906 kJ/mol |
| Electron Affinity | N/A |
| Phase (STP) | Solid |
Electron Configuration
The full electron configuration of Zinc is 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s². In noble gas shorthand, this is written as [Ar] 3d¹⁰ 4s².
Zinc is a d-block element in group 12, period 4.
Periodic Trends
Electronegativity: Zinc has a Pauling electronegativity of 1.65. Within group 12, electronegativity generally decreases down the group.
Atomic Radius: 134 pm. Across period 4, atomic radius generally decreases left to right as nuclear charge increases.
Ionization Energy: 906 kJ/mol. Ionization energy generally increases across a period and decreases down a group.
View all 118 elements with trend overlays for electronegativity, atomic radius, ionization energy, and electron affinity.
Explore Zinc on the Interactive Periodic TableRelated Topics
Cadmium (Cd)
Properties of Cadmium - same group as Zinc
Mercury (Hg)
Properties of Mercury - same group as Zinc
Copernicium (Cn)
Properties of Copernicium - same group as Zinc
Potassium (K)
Properties of Potassium - same period as Zinc
Calcium (Ca)
Properties of Calcium - same period as Zinc
Scandium (Sc)
Properties of Scandium - same period as Zinc