阿摩線上測驗
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試卷名稱：115年 - 114 台灣聯合大學系統_碩士班招生考試_電機類:近代物理#137742
年份：115年
科目：研究所、轉學考(插大)-近代物理學
Problem 5
According to band theory, beryllium, an alkaline earth metal, is predicted to behave as an insulator.
However, it acts as a conductor due to:
(A) The presence of a half-filled 2s band.
(B) The overlap between the filled 2s band and the empty 2p band.
(C) The presence of an empty 2p band.
(D) The overlap between the filled 2p band and the empty 3s band.
(E) The presence of a half-filled 3s band.