Samarium

Atomic symbol: Sm
Atomic number: 62
Atomic mass: 150.36

Appearance: Silvery white solid at 25°C

Group: N/a Period: 6
Series: Lanthanides
Block: f
Electron configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 5s² 5p⁶ 4f⁶ 6s²

Alloyed with cobalt to make durable magnets used for small motors, headphones and more.

Fun Fact! Radioactive samarium is used in some cancer treatments, collecting in the bones and killing cancerous cells there.