Задание

Отметь электронную формулу элемента \(IVB\)-группы.

  • \(1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}3d^{10}4s^{2}4p^{6}4d^{1}5s^{2}\)
  • \(1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}3d^{10}4s^{2}4p^{6}4d^{2}5s^{2}\)
  • \(1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}3d^{6}4s^{2}\)
  • \(1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}3d^{5}4s^{2}\)