Chemistry, 16.01.2020 00:31 sierravick123owr441

U-236 spontaneously decays to br-87, x and three neutrons. what is element “x”? 1. th 2. pb 3. ra 4. la 5. ba

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U-236 spontaneously decays to br-87, x and three neutrons. what is element “x”? 1. th 2. pb 3. ra 4...

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