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level: 81-90

Questions and Answers List

level questions: 81-90

QuestionAnswer
Ti 81Thallium
Pb 82Lead
Bi 83Bismuth
Po 84Polonium
At 85Astatine
Rn 86Radon
Fr 87Francium
Ra 88Radium
Ac 89Actinium
Th 90Thorium