Question

Some elements are given below. Analyse them and find out whether they are stable.

Substantiate the answer.

• Na(at.no-11)

• Ne(at.no-10)

• Ar(at.no-18)

• Mg(at.no-12)​

Answer 1

Answer:

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Answer 2

Answer:

Neon (Ne) and Argon (Ar) both are stable and remaining are not stable