9. In problems 1-60, determine the atoms of which chemical elements and in which of the two states - ground or excited - have the given electron formulas of the valence electron sublevels. What oxidation states are characteristic of these atoms? Give the formulas of oxides and hydroxides of these chemical elements, note what properties (basic, amphoteric, acidic) are characteristic of these compounds
Electron formula 5s1 5p3 5d1
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