阿摩線上測驗
21. On a planet where the temperature is so high, the ground state of an electron in the hydrogen atom is n = 3. What is the ratio of ionization energy on this planet to that on earth?
(A) 1:3;
(B) 3 : 1 ;
(C) 1 : 9 ;
(D) 9 : 1;
(E) 1 : 1
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統計： A(0), B(0), C(0), D(1), E(0) #3507473
統計： A(0), B(0), C(0), D(1), E(0) #3507473
