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Bahadur Kumar Viswanathan
Asked: 2022-11-10T19:50:15+05:30 In:

Classify each of the following nuclides as either “beta`(._(-1)^(0)beta)` emitter ” , or ” positron `(._(+1)^(0)beta)` emitter ” :
`{:(._(20)^(49)Ca,._(5)^(8)B,._(13)^(30)Al,,),(._(80)^(195)Hg,._(67)^(150)Ho,._(36)^(94)Kr,,):}`
Note : `._(36)^(84) Kr ,_(80)^(200) Hg ` and `._(67)^(165)Ho` are stable

Classify each of the following nuclides as either “beta`(._(-1)^(0)beta)` emitter ” , or ” positron `(._(+1)^(0)beta)` emitter ” :
`{:(._(20)^(49)Ca,._(5)^(8)B,._(13)^(30)Al,,),(._(80)^(195)Hg,._(67)^(150)Ho,._(36)^(94)Kr,,):}`
Note : `._(36)^(84) Kr ,_(80)^(200) Hg ` and `._(67)^(165)Ho` are stable
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  1. Correct Answer – beta emitter : `.^(49)Ca, .^(30)Al, .^(94)Kr,` positron emitter : `.(195)Hg, .^(8)B, .^(150)Ho`
    `{:(((n)/(p))gt((n)/(p))_(“stable”) “then”(._(0)^(1)nrarr._(1)^(1)p+._(-1)^(0)e)rarrbeta(“emission”),,,,),(((n)/(p)) lt ((n)/(p))_(“stable”)”then”(._(1)^(1)prarr._(0)^(1)n+._(+1)^(0)e)rarrbeta^(+)(“emssion”),,,,),(._(20)^(49)Ca ((n)/(p))gt((n)/(p))_(“stable”)rarr._(-)beta,,._(80)^(195)Hg((n)/(p))gt((n)/(p))_(“stable”)rarr._(+)beta,,),(._(5)^(8)B((n)/(p))lt((n)/(p))_(“stable”)rarr._(+)beta,,._(67)^(150)Hg((n)/(p))lt((n)/(p))_(“stable”)rarr._(+)beta,,),(._(13)^(30)Al((n)/(p))gt((n)/(p))_(“stable”)rarr._(-)beta,,._(36)^(94)Kr((n)/(p))lt((n)/(p))_(“stable”)rarr._(-)beta,,),(“beta emitter Ca,Al, Kr”,,(._(+)beta)”emitter Hg,B,Ho”,,),(,,,,):}`

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