19. The structure of the periodic table is resulted from what physical principle?
(A) Fermat's principle of least time
(B) Heisenberg's uncertainty principle
(C) Pauli's exclusion principle
(D) Huygens' principle of wave propagation
(E) complementarity principle of wave-particle duality
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統計: 尚無統計資料
統計: 尚無統計資料