Beberapa atom dua elektron pertama adalah: Persamaan Schrödinger untuk sistem dua elektron apapun, seperti atom helium netral (He, Z = 2), ion hidrogen negatif (H−, Z = 1), atau ion litium positif (Li+, Z = 3) adalah: For a more rigorous mathematical derivation of Schrödinger's equation, see also.
The applicant will apply for such a prolongation by a written confirmation that no such modifications have been made, and the notified body issues a prolongation for another period of validity as in point #.#. if no contrary information existsWikiMatrix WikiMatrix