Tin (Sn)
Tin (Sn, element 50) is a post-transition metal in group 14, period 5. Atomic mass 118.71, electron configuration [Kr] 4d¹⁰ 5s² 5p², uses and facts.
About Tin
Tin is a post-transition metal with the symbol Sn and atomic number 50. It is a solid at room temperature, and it sits in group 14, period 5 of the periodic table. Tin has been known since antiquity.
Tin key facts
- Atomic number: 50
- Symbol: Sn
- Atomic mass: 118.71 u
- Category: post-transition metal
- Group: 14
- Period: 5
- State at room temperature: solid
- Electron configuration: [Kr] 4d¹⁰ 5s² 5p²
- Electronegativity (Pauling): 1.96
- Melting point: 505.08 K (231.93 °C)
- Boiling point: 2875 K (2601.85 °C)
- Density: 7.287 g/cm³
- Common oxidation states: −4, 0, +2, +4
Electron configuration
The electron configuration of tin is [Kr] 4d¹⁰ 5s² 5p². The part in brackets is the noble gas core; the rest shows how the outer electrons fill their subshells. Tin has 4 valence electrons.
Uses of tin
- Tin cans
- Soldering
- Bronze alloy
Did you know?
When bent, tin makes a characteristic 'tin cry' sound due to crystal structure deformation.
Other elements in group 14 and neighbours
Frequently asked questions
What is the atomic number of tin?
The atomic number of tin is 50, which means every tin atom has 50 protons.
What is the electron configuration of tin?
The electron configuration of tin is [Kr] 4d¹⁰ 5s² 5p².
What group and period is tin in?
Tin is a post-transition metal in group 14, period 5.
What state is tin at room temperature?
Tin is a solid at room temperature.
What is tin used for?
Tin is used for tin cans, soldering, bronze alloy.