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E31.2 What is the change in mass in the a-decay of 247Berkelium. Youll have to find the element masses that fit the a- decay
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243 247 Am + Ate. 95 Вk 97 Mass of in mass Change reactouts Mass of products (M8x) - (Montma) - (247.070312) - (2434 + 4.0026

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