11. No bound state has a precisely defined boundary like a sphere. 12. :Protons and neutrons aren t elementary particles, but instead bound states of quarks. 13. The law-bound state has wounded itself . " ( tc-swg) 14. The opposite situation, when a bound state is not formed, is a shape resonance. 15. The name " charmonium " is used for the and other charm-anticharm bound states . 16. The stable orbiting droplets analogously represent a bound state in the quantum mechanical system. 17. During polymerization, the tubulin dimers are in the GTP-bound state . 18. The bound state energies of the electron in the hydrogen atom are given by: 19. A negative potential energy indicates a bound state ( due to an attractive force ). 20. The first is an open ATP-bound state and the second is a closed ADP-bound state .