The only stable isotope of sodium is `._(11)^(23)Na`. Daughter nucleus which can be formed due to radioactive decay of `._(11)Na^(22)` is

Question

The only stable isotope of sodium is `._(11)^(23)Na`. Daughter nucleus which can be formed due to radioactive decay of `._(11)Na^(22)` is

The only stable isotope of sodium is `._(11)^(23)Na`. Daughter nucleus which can be formed due to radioactive decay of `._(11)Na^(22)` is
A. `._(11)Na^(23)`
B. `._(10)Ne^(22)`
C. `._(9)F^(18)`
D. `_(12)Mg^(22)`

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - B
`[._(11)Na^(23)` stable isotope i. e. `._(11)Na ^(22) ` has n/p ratio lesser than required To increase n/p ratio
`{:(._(11)Na ^(22),rarr,._(10)Ne^(22),+,._(1)e^(0)),(,,,,("positron emission")):}`
Or
`{:(._(-1)e^(0),+,._(11)Na^(22),rarr,._(10)Ne^(22)),(("k-electron caputre"),,,,):}`

5 views Answered 2023-02-05 15:29