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II.1 Yadro reaksiyalari
1. Tenglamasi 209Bi + → 211At + X bo‘lgan reaksiyadagi noma’lum zarrachani aniqlang
A) neytron B) proton
C) elektron D) positron
2. Tenglamasi 259No →X + 3 +4–в+ Q bo‘lgan reaksiyada hosil bo‘lgan X izotopni aniqlang.
A) 255Fm B) 247Md
C) 247Cm D) 247Fm
3. 209Bi(; 2n) X yadro reaksiyasida X- izotopni ko‘rsating.
A) 209Bi B) 210At
C) 211At D) 210Po
4. 223Fr → 203Tl + x + y–в Ushbu yadro reaksiyasidagi x va y qiymatlarini ko‘rsating.
A) 5, 4 B) 7, 4
C) 8, 3 D) 6, 3
5. U → 3 +x–в + 226Pa ushbu yadro rеaktsiya bo‘yicha 4, 76 g uran parchalangan bo‘lsa nеchta elеktron hosil bo‘ladi.
A) 12, 04 * 1019 B) 6, 02 * 1023
C) 18, 06 * 1018 D) 6, 02 * 1022
6. U → x + 5–в + 226Pa ushbu yadro rеaktsiya bo‘yicha 4, 52 g protaktiniy hosil bo‘lgan bo‘lsa nеcha l n.sh. da gеliy ajralib chiqadi.
A) 2, 24 B) 3, 36
C) 1, 344 D) 6, 72
7. 252Es → 230U + x + y–в +2n Ushbu yadro reaksiya asosida 12, 6 mg eynshteyniy emirilishidan nеcha ml n.sh. da gеliy ajralib chiqadi.
A) 5, 6 B) 3, 36
C) 2, 344 D) 8, 96
8. 252Es → 230U + x + y–в +2n Ushbu yadro reaksiya asosida 12, 6 mg eynshteyniy emirilishidan hosil bo‘lgan elektronlar sonini hisoblang.
A) 12, 04 * 1019 B) 9, 03 * 1019
C) 18, 06 * 1018 D) 3, 01 * 1019
9. 254No → Cm + x + y–в + 12hv Ushbu yadro reaksiyasida 12, 7 mg nobeliy emirilishidan hosil bo‘lgan elektronlar sonini hisoblang.
A) 12, 04 * 1019 B) 6, 02 * 1019
C) 18, 06 * 1020 D) 36, 12 * 1020
10. 242Pu = 230Th + x + y–в Ushbu yadro reaksiyasida 76, 2 mg plutoniy emirilishidan hosil bo‘lgan elektronlar sonini hisoblang.
A) 12, 04 * 1019 B) 9, 63 * 1020
C) 3, 01 * 1019 D) 3, 8 * 1020
11. 254No → 238Cm + x + y–в Ushbu yadro reaksiyasida 76, 2 mg nobeliy emirilishidan hosil bo‘lgan elektronlar sonini hisoblang.
A) 12, 04 * 1019 B) 6, 02 * 1019
C) 18, 06 * 1020 D) 36, 12 * 1019
12. 254No → 96Cm + x + y–в + 12 hv Ushbu yadro reaksiyasida 20, 32 mg nobeliy emirilishidan 192, 64 * 1018 dona elektron ajralgan bo‘lsa, kyuriy izotopining nisbiy atom massasini toping.
A) 244 B) 234 C) 241 D) 236
13. 257Cf → Cm + x + y–в +5hv 51, 4 g kaliforniy parchalanganda 48, 16*1022dona elektron hosil bo‘lsa, reaksiya natijasida hosil bo‘lgan kyuriy izotopinig nisbiy atom massasini aniqlang.
A) 245 B) 241 C) 247 D) 238
14. 21, 8 g Fransiy parchalanganda 4, 816 * 1023 dona elektron hosil bo‘lsa reaksiya natijasida olingan talliy izotopidagi neytronlar sonini hisoblang.
218Fr → Tl + x + y–в + 2hv
A) 115 B) 107
C) 190 D) 109
15. 251Es +2 → Md + x+в + yn Ushbu yadro reaksiya asosida 15, 06 g eynshteyniy emirilishidan 108, 36 * 1021 dona neytron hosil bo‘lsa, reaksiya natijasida olingan mendeeleviy izotopidagi neytronlar sonini hisoblang.
A) 149 B) 250
C) 256 D) 155
16. 257Cf → Cm + x + y–в + 5hv 51, 4 g kaliforniy parchalanganda 48, 16*1022dona elektron hosil bo‘lsa, reaksiya natijasida hosil bo‘lgan kyuriy izotopining neytronlar sonini aniqlang.
A) 145 B) 149 C)152 D) 138
17. 251Es +2 → Md + x+в + yn Ushbu yadro reaksiya asosida 50, 2 g eynshteyniy emirilishidan 36, 12 * 1022 dona neytron hosil bo‘lsa, reaksiya natijasida olingan mendeeleviy izotopining nisbiy atom massasini hisoblang.
A) 149 B) 250
C) 256 D) 155
18. 241Cm + 2 → 240 Np + x–в + yP Ushbu yadro reaksiyasida 5, 418 * 1023 dona proton ajralgan bo‘lsa, reaksiyada emirilgan kyuriy izotopining miqdorini (g) hisoblang.
A) 72, 3 B) 24, 1 C) 48, 2 D) 96, 4
19. 246Pu = Th + x + y–в +2n Ushbu yadro reaksiyasida 9, 84 mg plutoniy emirilishidan 48, 16 * 1018 elektron ajralgan bo‘lsa, reaksiya natijasida hosil bo‘lgan toriy izotopidagi neytronlar sonini hisoblang.
A) 235 B) 232
C) 142 D) 139
20. 253Cf → Cm + x + y–в Ushbu yadro reaksiyasida 10, 12 mg kaliforniy parchalanganda 96, 32 * 1018 dona elektron hosil bo‘lsa, reaksiya natijasida hosil bo‘lgan kyuriy izotopining neytronlar sonini aniqlang.
A) 145 B) 151 C)241 D) 141
21. Quydagi berilgan yadro reaksiyasi asosida 15, 68 mg fransiy emirilishidan 84, 28 * 1018 elektron ajralgan bo‘lsa hosil bo‘lgan talliy izotopidagi neytronlar sonini hisoblang.
224Fr → Tl + x + y–в
A) 127 B) 131
C) 208 D) 122
22. 220Rn → Bi + x + y–в + 3n Ushbu yadro reaksiya asosida 5, 5 mg radon emirilishidan 75, 25 * 1018 dona elektron ajralgan bo‘lsa, vismut izotopidagi neytronlar sonini hisoblang.
A) 118 B) 201
C) 197 D) 114
23. 228Pa = Rn + x + y–в + 2n Ushbu yadro reaksiyasida 11, 4 mg protaktiniy parchalanganda 9, 03 * 1019 dona elektron hosil bo‘lsa, reaksiya natijasida hosil bo‘lgan radon izotopining nisbiy atom massasini aniqlang.
A) 211 B) 124
C) 120 D) 210
24. 253Fm → Bk + x + y–в + 4hv 50, 6 g fermiy emirilishidan 36, 12 * 1022 dona elektron ajralgan bo‘lsa, berkliy izotopidagi neytronlar sonini hisoblang.
A) 148 B) 241
C) 144 D) 245
25. 252Es → Pu + x + y–в Ushbu yadro reaksiyasida 75, 6 mg eynshteyniy parchalanganda 54, 18 * 1019 dona elektron hosil bo‘lsa, reaksiya natijasida hosil bo‘lgan plutoniy izotopining neytronlar sonini aniqlang.
A) 236 B) 142
C) 150 D) 146
26. 203Po +5 → xP +y+в +215Bi Ushbu yadro reaksiyasida 84, 28*1019 dona positron ajralgan bo‘lsa, reaksiyada qatnashgan poloniy izotopining miqdorini (mg) hisoblang.
A) 102, 8 B) 94, 7
C) 83, 6 D) 75, 2
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