Report - ˆ˚ - Teho-Opetus · 209,9828574 138,4 d α 5,407 Radon 222 86Rn 222,0175705 3,82 d α 5,590 Radium 226 88Ra 226,0254026 1600 a α 4,871 Uraani 235 92U 235,0439231 7,04 @ 108 a α

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