1. How many protons, neutrons, and electrons does \(^{56}\text{Fe}\) have?
(A)26 protons, 26 neutrons, 30 electrons
(B)26 protons, 24 neutrons, 56 electrons
(C)30 protons, 26 neutrons, 26 electrons
(D)26 protons, 30 neutrons, 26 electrons
(E)56 protons, 26 neutrons, 56 electrons

答案:登入後查看
統計: 尚無統計資料