consider the hydrogen atom. how does the distance between adjacent orbit radii change as the principal quantum number increases? consider the hydrogen atom. how does the distance between adjacent orbit radii change as the principal quantum number increases? the distance difference between adjacent orbit radii decreases with increasing values of the principal quantum number. the distance difference between adjacent orbit radii varies with increasing values of the principal quantum number. the distance difference between adjacent orbit radii increases with increasing values of the principal quantum number. the distance difference between adjacent orbit radii remains constant with increasing values of the principal quantum number.