Tin (Sn) — Post-transition metal. Atomic number 50.
Silvery-white metal
- Atomic number: 50
- Symbol: Sn
- Atomic mass: 118.71 u
- Category: Post-transition metal
- State: Solid
- Melting point: 231.95 °C / 505.1 K
- Boiling point: 2601.85 °C / 2875 K
- Density: 7.29 g/cm³ (20°C)
- Electron configuration: [Kr] 4d10 5s2 5p2
- Oxidation states: +2, +4
- Electronegativity: 1.96
- Discovered by: Known since antiquity
Common uses: Solder, Tin plating, Bronze alloys
Biological role: No known essential biological role.
Frequently Asked Questions about Tin
What is the atomic number of tin?
Tin has an atomic number of 50, meaning each atom contains 50 protons in its nucleus.
What is the atomic mass of tin?
The standard atomic weight of tin is 118.71 u (unified atomic mass units).
What category does tin belong to?
Tin is classified as a post-transition metal.
What is the state of tin at room temperature?
Tin is a solid at 20 °C (68 °F).
What is the melting point of tin?
The melting point of tin is 231.95 °C / 505.1 K.
What is the boiling point of tin?
The boiling point of tin is 2601.85 °C / 2875 K.
What is the density of tin?
The density of tin is 7.29 g/cm³ (20°C).
What is the electronegativity of tin?
Tin has a Pauling electronegativity of 1.96.
What is the electron configuration of tin?
The electron configuration of tin is [Kr] 4d10 5s2 5p2.
What are the common oxidation states of tin?
Tin commonly exhibits the following oxidation states: +2, +4.
Is tin radioactive?
Tin is a stable element with no naturally occurring radioactive isotopes.
What is the biological role of tin?
No known essential biological role.
What are the common uses of tin?
Tin is used for: Solder; Tin plating; Bronze alloys.
