I bob. Kimyoning asosiy tushuncha va

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