←Ba   La↑   ↓Lu   Ce→

Lanthan ∙ lanthane ∙ lantanio ∙ lantano
group III: R₂O₃

• melting point: 918°C
• boiling point: 3464°C
• density: 6.7 g/cm³

☢ radioisotopes:
La-140 (T1/2=1.7 d) fission product