Yadroviyreaksiyala r

Y A D R O V I Y R E A K S I Y A L A R
YADROGA BIRIKISH 1. QULASH 2. BOMBARDIMON 3. NURLANTIRISH 4. YOG’DIRISH 5. TA’SIR QILISH 6. YUTILISH 7. QAMRAB OLISH	YADRODAN AJRALISH 1. YEMIRILISH 2. OTILIB CHIQISH 3. PARCHALANISH 4. SOCHISH.
Bunda birikkan zarrachaning massa va zaryadlari yadroning massa va zaryadlariga qo’shiladi: U + α → Pu ; U + n → U ;	Bunda ajrali chiqan zarrachaning massa va zaryadlari yadroning massa va zaryadlaridan ayiriladi: U → Th + α ; U + α → Th ;
A) β va ē uchun teskari amal bajariladi ya’ni biriksa ayiriladi: Np + β ( ē) → U	B) β va ē uchun teskari amal bajariladi ya’ni ajralsa qo’shiladi: Bk → Np + β ( ē)

YADRO REAKSIYALARI.

1.Qaysi yadro reaksiyarda qo’rg’oshin izotoplari hosil bo’ladi?

1.U  4α + β + x
2.Th6α + 4β + x
3.Ac5α + 3β + x
4.Np6α + 2β + x
A)1.3 B)2.3 C)2.4 D)1.4

2. Zn izotopiga proton yog‘dirilganda yadro reaksiyasi natijasida neytron hosil bo‘lgan. Shu reaksiyada hosil bo‘lgan yangi izotopni toping.

A) Zn B) Ga C) Cu
D) Ga E) Zn

3. α-nur oqimi bilan V ga ta’sir qilinganda neytron hosil bo‘lsa, yangi izotopni ko‘rsating.

A) Mn B) Mn C) Cr
D) Fe E) Cr

4. Al + He→ Si+? reaksiyasida qanday zarracha ajralib chiqadi?

A) proton B) neytron C) α-zarracha
D) geliy atomi E) 2 proton

5. Quyidagi yadro reaksiyasida qaysi element izotopi hosil bo‘ladi: →x+7α+7₊β

A) B) C)
D) E)

6. Quyidagi yadro reaksiyasi qaysi zarracha ishtirokida sodir bo‘ladi? +x→ +α

A) α–zarracha B) proton C) deyteriy
D) neytron E) elektron

7. qanday zarrachalar bilan nurlanganda, hosil bo‘ladi?

A) B) γ–nurlar C)
D) -zarracha E) +elektron

8. X^-1 va X⁺⁵ ionlarining elektronlari yig’indisi 30. Bunda ko’ra X ning zaryadi necha?

A)17 B)19 C)18 D)20

9. Yadro reaksiyasida izotopning atom massa soni o‘zgarmay, yadro zaryadi ortadigan jarayoni ko‘rsating.

1) β 2) = β 3) β=
A) 1,2 B) 1,3 C) 2 D) 2,3 E) 3

10. ^Z ₉₂U = x ⁴ ₂ α +y _–β + ^A ₈₆Rn . Shu yadro reaksiyasida 10.9 mg U parchalanishidan 15.05 10¹⁹ α, 12.04 10¹⁹ β ajralgan bo’lsa, uranning Mr=? J:218

A) 219 B) 215 C) 218 D) 213

11. ²⁴⁶ _ZE = x ⁴ ₂ α +4 _–β + ^A ₉₀Th reaksiyada element va Th ning neytronlari nisbati 1,9:1,75 bo’lsa, E tarkibidagi e lar umumiy zarrachalarning necha % ini tashkil etadi?

A) 25 B) 30 C) 26,75 D) 27,65

12. ⁴⁰K izotopidan ⁴⁰Ca izotopi hosil bo‘lishida qanday radioaktiv o‘zgarish sodir bo‘lishini aniqlang.

A) β^-–chiqarish B) α–chiqarish
C) β⁺- chiqarish
D) yadroga elektron yutilishi
E) spontan parchalanish

13. → jarayonida quyidagilarning qaysi biri sodir bo‘ladi?

A) α–yemirilish B) β⁺–parchalanish
C) β^--parchalanish D) elektronni qamrab olish
14.