70. (v19/20-115-8) 82 pb->
® Re + xa + p + 2n yadro reaksiyasida
A + Ð’ = 405 bolsa, BRe izotopi tarkibidagi neytronlar sonini aniqlang.
A) 132 B)110
C) 102
D) 120
82 pb-> ® Re + xa + p + 2n yadro reaksiyasida A + В = 405 bolsa,
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Ñáîðíèê: Kimyo
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3. Yadro reaksiyalari. Radiaktivlik
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