Hund's rule - one electon must occupy an orbital before any orbital can contain 2 electrons, Pauli exclusion principle - each orbital can hold 2 electrons and each has a different spin, Aufbau Principle - electrons added one at a time to the lowest energy orbital until all electrons are accounted for,

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?