If the atomic weight of an element is 23 times that of the lightest element and it has 11 protons, then it contains:
(1)11 protons, 23 neutrons, 11 electrons
(2)11 protons, 11 neutrons, 11 electrons
(3)11 protons, 12 neutrons, 11 electrons
(4)11 protons, 11 neutrons, 23 electrons
Ans: 11 protons, 12 neutrons, 11 electrons