What is the name of this hydrocarbon? A skeletal model starts with C H 3 at the left, goes down to a valley, up to a peak, and then down again. The valley and the peak have C H 3; there is also a C H 3 on a line straight down from the end of the centerline of carbons.

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.