Keywords: Valence atomic energy levels for Cl, Br, I, At, and 117.svg en Orbital energies diagram for the ground state of Cl Br I At and Ts http //pubs acs org/doi/abs/10 1021/jp107411s Zhiwei Chang Jiguang Li and Chenzhong Dong 2010-12-08 Cc-zero Atomic orbitals energy levels |