19. Positronium consists of an election and a positron (a positive electron) orbiting about their common center of mass. According to the Bohr model, what is the expression of the energy level of a positronium?
(A) E_n = -3.4 eV/n²
(B) E_n = -6.8 eV/n
(C) E_n = -6.8 eV/n²
(D) E_n = -13.6 eV/n²
(E) E_n = -13.6 eV/n

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統計： A(0), B(0), C(0), D(1), E(0) #3858175

詳解 (共 1 筆)

助人為本

B1 · 2026/07/08

#7434693

所以看到正電子素要想到會等於電子+正電子

正電子素的能階會等於1/2氫原子能階

正電子和電子的差別就是兩者質量相同，所以有效質量變一半，能量也變一半

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氫原子能階的公式我們要背是-13.6eV/n^2

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