問題詳情

3. How many protons, neutrons, and electrons are in

?
(A)25 protons. 32 neutrons, 27 clectrons
(B)27 protons, 25 neutrons, 32 electrons
(C)25 protons, 27 neutrons, 32 electrons
(D)27 protons, 32 neutrons, 25 clectrons
(E)32 protons, 27 neutrons. 30 electrons

參考答案

答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增