142 B)130 C) 128 D)1

62. (v19/20-103-7) 82 Pb -> 75 Re + xa + p + 2n yadro reaksiyasida A + Р’ = 405 bolsa, izotopi tarkibidagi neytronlar sonini aniqlang. A) 142 B)130

62. (v19/20-103-7) 82 Pb -> 75 Re + xa + p + 2n yadro reaksiyasida A + Р’ = 405 bolsa, izotopi tarkibidagi neytronlar sonini aniqlang. A) 142 B)130 C) 128 D)116