How long would it take to produce 3.6 g of platinum by passing a 2.0 ampere current through a solution of PtCl2?

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.

i think   the answer is c hope i'm right

metric time was an attempt to create a standard unit of time based off of 10, but it never took off an is not included in the metric system (si)