Which two elements on the periodic table are in the same period? 1:b and in 2:na and s 3:k and ba 4:se and te

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.

gold is my favorite solid.