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Alycia Zemlak

Feb 20, 2025

Determine the formal charge on each atom in each of the following molecules or ions.?

Determine the formal charge on each atom in each of the following molecules or ions.(a) SCO S C O_(b) NO3- (nitrate ion) N+1 O(attached by a double bond) O O_(c) CS2 C S S_ (d) HCO2H (formic acid) H C O O H_
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KEY: = is a double bond, – is a single bond(a) SCO has 16 valence electrons. S=C=O S and O have two unshared electrons. According to what the other girl said, S, C, and O all have a formal charge of ZERO.(b) 24 valence electrons2 N-O bonds, 1 N=O bond N: formal charge of 1 O single bond: formal bond of -1 O=double bond: formal charge of 0(c) 16 valence electronsS=C=S Carbon: formal charge of 0 Sulfur: formal charge of 0 (it has four unshared electrons)(d) C-O, C-H, C=O-H (combine these, sry)Carbon: 0 formal chargeBoth Hydrogen: 0 formal charge Single-bond oxygen: -1 formal chargeDouble-bond oxygen: +1 formal chargeHope this helps!... Show More
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Draw the Lewis structures for each, and the formal charge on each atom will be:FC = # of valence electrons on atom – # of lone pair electrons on the atom – half of the atom’s shared electrons.... Show More
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