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GOB Chemistry 1 Final - 3! 3부
샘플
이것은 샘플 연습 세트입니다. 보다 개인화된 시험 준비 경험을 위해:
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11. Nuclear Chemistry / Positron Emission / 문제 20
문제 20

The nuclear fuel used in many nuclear reactors is uranium-235. When bombarded with a single slow neutron, a 235U nuclide undergoes fission to form 141Ba, 3 neutrons, and another nuclide "X". Identify the nuclide X, Write its symbol.