Draw the Lewis structures for the following molecule and ions

CBSE Class 11 CBSE Class 11 Chemistry
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Draw the Lewis structures for the following molecule and ions.
${ H }{ 2 }S$,
${ SiCl }{ 4 }$,
${ BeF }{ 2 }$,
${ CO }{ 3 }^{ 2- }$, HCOOH

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