2018_kimyo variant javoblari bilan
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kimyo -2018 1. z 92u →xα + y-β + a 86rn ushbu yadro reaksiyasida 11.9 mg uran izotopining yemirilishi natijasida 10.9 mg radon izotopi hosil bo’lsa, x y dan 1,25 marta katta bo’lsa. uran izotopidagi atom massasini toping? # 238 2. z 92u →xα + y-β + a 86rn ushbu yadro reaksiyasida 11.9 mg uran izotopining yemirilishi natijasida 10.9 mg radon izotopi hosil bo’lsa, x y dan 1,25 marta katta bo’lsa. uran izotopidagi neytronlar sonini toping? #146 3. z 92u →xα + y-β + a 86rn ushbu yadro reaksiyasida 11.9 mg uran izotopining yemirilishi natijasida 10.9 mg radon izotopi hosil bo’lsa, x y dan 1,25 marta katta bo’lsa. uran izotopidagi neytronlar soni umumiy zarachalarning necha % tashkil etadi #73/165 4. …
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