S. Alkhfaji, Q. and alkhafaji, qassim 2025. Evaluation of the 1s and 2s Subshell Properties of Fluorine and Neon Atoms and Their positive Ions Using the Hartree-Fock Approximation. Journal of Kufa-Physics. 17, 01 (Jun. 2025), 82–92. DOI:https://doi.org/10.31257/2018/JKP/2025/v17.i01.19788.