R1U1T1H4E1R1F4O1R1D2I1U1M3
22 points
RUTHERFORDIUM is validvalid
the chemical element with atomic number 104 [n RUTHERFORDIUMS]
an artificially produced radioactive transuranic element [n -S]
the chemical element with atomic number 104 [n RUTHERFORDIUMS]
an artificially produced radioactive transuranic element [n -S]