p-электроны элемента X составляют 200 % от d-электронов. Найдите сумму всех квантовых чисел (n, l, mₗ, mₛ) последнего электрона иона X⁺³.

  1. 7
  2. 4,5
  3. 7,5
  4. 4

📝 Detailed explanation

Элемент — Fe; Fe³⁺ — последний электрон 3d⁵: n=3, l=2, mₗ=2, mₛ=+½ ⇒ сумма 3+2−2+0,5 = 7,5
5 / 30 (17%)
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