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Help please thank you b. Identify the substance using the chart below Decay Mode ?-negative B-...

Help please thank you
b. Identify the substance using the chart below Decay Mode ?-negative B- negative Isotope Half-Life (a) 3.78 22.3 7880 12.3 1.29 81 214Pb B-negative 253Es 30
b. Identify the substance using the chart below Decay Mode ?-negative B- negative Isotope Half-Life (a) 3.78 22.3 7880 12.3 1.29 81 214Pb B-negative 253Es 30
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1以 1 Q 210 82 22S 229 th 3 23 2 -1 C11

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