Monster name: Lantis
Lanthanum
- Atomic number
- 57
- Symbol
- La
- Series
- transition metals
- Group
- 3
- Period
- 6
- State of matter
- solid
- rare earth elements
The name is derived from an Ancient Greek word meanin "to lie hidden", because it was hard to find and isolate this element. It is the eponym of a whole group of elements: the lanthanides.
