Crossword clue: a radioactive transuranic element synthesized by bombarding curium with carbon ions; 7 isotopes are known

The most common answer is nobelium (8 letters).

1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

Possible answers

nobelium 8 letters wn-def

a radioactive transuranic element synthesized by bombarding curium with carbon ions; 7 isotopes are known