CH4O and found it was made of 6.2 g of carbon, 4.1 g of hydrogen, and 15.9 grams of oxygen. What is the percent comp of each element in the sample

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.