Which of the following elements does NOT need to be diatomic to exist in nature? A. Hydrogen
B. Oxygen
C. Carbon
D. Nitrogen

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.

Which sample at stp has the same number of atoms as 18 liters of ne at stp

What is the vapor pressure of a solution with a benzene to octane?