-A nation is a group of people with a common culture living in a territory and having a strong sense of unity -A state is an independent unit that occupies a specific territory and has full control...
For most of the 20th century, most states were nation-states, i.e., they were instances of that particular constitutional order. All of the great powers since the end of World War I have been nation...
There are 4 quantum numbers that specify the quantum system. n is the energy level, l is the angular momentum, ml is the projection of angular momentum, ms is the spin projection.