Among the following, the most stable isotope to radioactive decay is · ABC26IN0480

Subject: Inorganic Chemistry · Chapter: Nuclear Chemistry · Topic: Nuclear – General · Exam: GATE 2005-2021 · Marks: 2 · Difficulty: Easy

Among the following, the most stable isotope to radioactive decay is

(a)${ }_{82}^{206} \mathrm{Pb}$

(b)${ }_{82}^{210} \mathrm{Pb}$

(c)${ }_{82}^{212} \mathrm{Pb}$

(d)${ }_{82}^{214} \mathrm{Pb}$

Answer

Answer: A ✓ checked by 4AB · confidence high

Explanation

²⁰⁶Pb (Z = 82, N = 124) is stable, the end of the U-238 series; ²¹⁰,²¹²,²¹⁴Pb are radioactive (a).

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