←Cs   Cd↑   ↓Eu   La→

Barium ∙ baryum ∙ bario ∙ bario
group II: RO

• melting point: 725°C
• boiling point: 1897°C
• density: 3.51 g/cm³

☢ radioisotopes:
Ba-140 (T1/2=12.8 d) fission product