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Question 20 5 pts A Po-222 atom (polonium-222) has a nucleus with 84 protons and an atomic mass of 222.024144 u. What is the

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Answer #1

protons = ч 2 22 - 8ч. neutrons 13 8 АМ: ч ( ). oo 226++) + ( 138 x .oo 866 Г) - 222.024чч Bm = 1 - 2 8499 Ez ) - 28 29 Ч43 x

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