Mg and I. Express your answer as a chemical formula.

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.

answer: they produce more slow than unicellular organisms.

the maximum mass of nh3 is nh3 in grams