D2U1B3N1I1U1M3S1
13 points
DUBNIUMS is validvalid
DUBNIUM, the chemical element with atomic number 105
DUBNIUM, an element produced by bombarding plutonium with high energy neon ions
DUBNIUM, the chemical element with atomic number 105
DUBNIUM, an element produced by bombarding plutonium with high energy neon ions