M3E1N1D2E1L1E1V4I1U1M3S1
20 points
MENDELEVIUMS is validvalid
MENDELEVIUM, the chemical element with atomic number 101 [n]
MENDELEVIUM, an unstable radioactive element discovered in 1955 [n]
MENDELEVIUM, the chemical element with atomic number 101 [n]
MENDELEVIUM, an unstable radioactive element discovered in 1955 [n]