Which one is the stable element in the following:
Correct answer: A. Lead
- A. Lead
- B. Plutonium
- C. Radium
- D. Protactinium
Explanation
Stability means that the given atom or molecule is stable and exists like this only in nature. The stability may be the chemical stability, structural stability or the nuclear stability. In a periodic table the noble gases are regarded as the most stable in terms of chemical stability and not in terms of structural or nuclear stability.
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