Study the effect of the atomic number on the atomic properties of He- like ions

Shaima Kadhim Al- Shebly


In this research we studied the effect of the atomic number on some atomic properties for systems have two electrons but different in atomic numbers like He-atom(Z=2) , H--ion (Z=1) and Li+ -ion (Z=3) . We observed that the correlation energy increasing with increased atomic number , where the results are (-0.48793, -2.85316 and -7.23632) .The comparison with the experimental results we found good agreement .
All properties studied in this research were checked according to the normalization condition and we the atomic unit were used .

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