Tin (Sn) - Element 50 | Properties & Electron Configuration
What is Tin?
Tin (Sn) is element 50, a post transition metal in period 5, group 14. Its electron configuration is 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 5s² 5p².
| Atomic Number | 50 |
| Symbol | Sn |
| Atomic Mass | 118.71 u |
| Category | Post Transition Metal |
| Period | 5 |
| Group | 14 |
| Block | p |
| Electron Configuration | 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 5s² 5p² |
| Short Config | [Kr] 4d¹⁰ 5s² 5p² |
| Electronegativity | 1.96 |
| Atomic Radius | 140 pm |
| Ionization Energy | 709 kJ/mol |
| Electron Affinity | 107 kJ/mol |
| Phase (STP) | Solid |
Electron Configuration
The full electron configuration of Tin is 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 5s² 5p². In noble gas shorthand, this is written as [Kr] 4d¹⁰ 5s² 5p².
Tin is a p-block element in group 14, period 5.
Periodic Trends
Electronegativity: Tin has a Pauling electronegativity of 1.96. Within group 14, electronegativity generally decreases down the group.
Atomic Radius: 140 pm. Across period 5, atomic radius generally decreases left to right as nuclear charge increases.
Ionization Energy: 709 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 Tin on the Interactive Periodic TableRelated Topics
Carbon (C)
Properties of Carbon - same group as Tin
Silicon (Si)
Properties of Silicon - same group as Tin
Germanium (Ge)
Properties of Germanium - same group as Tin
Rubidium (Rb)
Properties of Rubidium - same period as Tin
Strontium (Sr)
Properties of Strontium - same period as Tin
Yttrium (Y)
Properties of Yttrium - same period as Tin