Monster name: Barry
Barium
- Atomic number
- 56
- Symbol
- Ba
- Series
- alkaline earth metals
- Group
- 2
- Period
- 6
- State of matter
- solid
- flammable
- corrosive
- toxic
The name barium is derived from the Greek word barys, meaning "heavy", because of the density of its mieral baryte. It has only a few special technical applications. Barium is essential only for a particular species of green algae.
