M3E1N1D2E1L1E1V4I1U1M3
19 points
MENDELEVIUM is validvalid
the chemical element with atomic number 101 [n MENDELEVIUMS]
an unstable radioactive element discovered in 1955 [n -S]
the chemical element with atomic number 101 [n MENDELEVIUMS]
an unstable radioactive element discovered in 1955 [n -S]