Atomica
50Sn118.71

Tin

Post-transition metals

Softer metals with lower melting points, often used in alloys and solders.

[Kr] 4d¹⁰ 5s² 5p²

Atomic number
50
Atomic mass
118.71
Protons
50
Neutrons
69 (most common)
Electrons
50
Shells
2, 8, 18, 18, 4
State at 25 °C
Solid
Position
Group 14, period 5
Proton (+)Neutron (0)Electron (−)
Discovered byKnown since ancient times

Mixing tin with copper made bronze over 5,000 years ago, starting the Bronze Age.

Did you know?

  • Bending a bar of tin makes a crackling sound called the tin cry.
  • “Tin cans” are really steel with a thin tin coating.

Where it's found

  • Cassiterite ore

What it's used for

  • Solder for electronics
  • Coating steel food cans
  • Bronze and pewter

Try it

There's no safe home experiment for Tin. Explore it with the animated atom above instead.