Below you can find the Though the curies discovered it in pitchblende in 1898 it wasn't isolated as a metal until 1910 Jeopardy Words Answer. The answer to Though the curies discovered it in pitchblende in 1898 it wasn't isolated as a metal until 1910 has 6 letters. This clue belongs to the The elements category and is part of Jeopardy Word Level 650. If you scroll near the bottom you will find other clues and answers part of level 650