Randon gas has atomic number 86 and mass number 222. Randon is radioactive and decays via alpha- reaction with a half-life of 3:8235 days. The neutral mass is m = 222:0175763 u. (c2 = 931:494MeV=u). (a) Write the nuclear reaction of Radon in alpha-decay.  (b) Calculate the binding energy of Randon per nucleon.  (c) Calculate the activity of Randon after 14.0 days. The initial activity is R0 = 2050Bq.

Principles of Modern Chemistry
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Chapter19: Nuclear Chemistry
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Randon gas has atomic number 86 and mass number 222. Randon is radioactive and decays via alpha-
reaction with a half-life of 3:8235 days. The neutral mass is m = 222:0175763 u.
(c2 = 931:494MeV=u).
(a) Write the nuclear reaction of Radon in alpha-decay. 
(b) Calculate the binding energy of Randon per nucleon. 
(c) Calculate the activity of Randon after 14.0 days. The initial activity is R0 = 2050Bq.

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