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NCERT Class XI Chemistry Solutions

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Question : 3 of 40
Marks: +1, -0
Write Lewis symbols for the following atoms and ions:
S and S2−S^{2-} ; Al and Al3+Al^{3+} ; H and H−H^{-}
Solution:  
Lewis symbols : (i) S → :S..::\overset{..}{S}:
(ii) S2−S^{2-} → [S....]2−\left[\overset{..}{\underset{..}{S}}\right]^{2-}
(iii) Al → .Al.....\overset{..}{\underset{.}{Al}}.
(iv) Al3+Al^{3+} → [Al]3+[Al]^{3+}
(v) H → H.\overset{.}{H}
(vi) H−H^{-} → H..−\overset{..}{H}^{-}
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