R1O1E1N1T1G2E1N1I1U1M3S1
15 points
ROENTGENIUMS is validvalid
ROENTGENIUM, the chemical element with atomic number 111 [n]
ROENTGENIUM, a short-lived radioactive element produced artificially [n]
ROENTGENIUM, the chemical element with atomic number 111 [n]
ROENTGENIUM, a short-lived radioactive element produced artificially [n]