This is the probability distribution of an electro in a atom or molecule

Why do sodium and neon have vastly different chemical and physical properties despite having similar atomic masses?

Which other elements contain the same number of outer electrons as sodium

According to the kinetic-molecular theory, what happens to a liquid when it is transferred from one container to another? the volume and the shape stay the same. the volume increases to fill the new container, but the shape stays the same. the volume stays the same, but the shape changes to fit the new container. the volume and the shape change to fill the new container.