Among the following the element stable is ,neon, with atomic number 10, therefore option (D) is correct.
Why is neon element stable in periodic table?
Neon is a chemical element with atomic number 10 which means there are 10 protons in its nucleus. It is given by the symbol Z.
Neon is steady as it has a full octet or valence shell of 8 electrons. Every single noble(rare) gas have a full valence electron and , in this manner they are always found to be stable.
Electronic configuration of Neon gas (rare gas )is [He] 2s2 2p6. Conceivable oxidation states are 0.
Neon ,with atomic number 10 , is the most stable element among the following, hence option (D) is correct.
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