The nucleon number and the proton number of a neutral atom of an element are 23 and 11 respectively. How many neutrons are present in the atom? by Sunday | May 23 | Physics WAEC | 0 comments A. 11 B. 12 C. 23 D. 34 Correct Answer: Option B B. 12 Users Also Read These:The nucleon number and the proton number of a…How many protons, neutrons and electrons…How many neutrons are present in atom with mass…An isotope has an atomic number of 15 and a mass…An element of nucleon number P and atomic number Q…