Study the following scheme​

Which of these expressions are correct variations of the combined gas law? p1v1t2 = p2v2t1 both

Select all of the statements which are true. electrons are located in shells or orbits around the atom. electrons orbit slowly around the atom. electrons travel in one flat path around the nucleus of an atom. the valence of an atom is determined by the number of electrons in the atom's outermost shell.

Draw the lewis dot structure for each of the following polyatomic ions