L1A1N1T1H4A1N1U1M3
14 points
LANTHANUM is validvalid
the chemical element with atomic number 57 [n LANTHANUMS]
a rare element of the group of the earth metals, allied to aluminium [n -S]
the chemical element with atomic number 57 [n LANTHANUMS]
a rare element of the group of the earth metals, allied to aluminium [n -S]