14. For each compound, draw the Lewis structure, determine the geometry using VSEPR theory, determine whether the molecule is polar a. COF2 (carbon is the central atom) b. S2Cl2 (ClSSCl) c. SF4

the mass of the cathode increases because ions from the solution get reduced to atoms and become part of the cathode.

explanation:

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the number of valence electrons for each molecule or ion is shown beneath the structure. remember hydrogen will not have more than two electrons. this hydrogen is part of a covalent bond (sharing two electrons). a double bond here would cause hydrogen to share four electrons with phosphorus.