Web use the periodic table to find the numbers of protons, neutrons, and electrons for atoms of the following elements. One of the things students frequently have problems with is determining how many protons, neutrons,. Web free printable protons neutrons and electrons practice worksheets to help kids learning worksheets. Web about this resource:in this challenge, students will practice adding protons, neutrons and electrons from given elements, then find the difference in electrons of two different. Live worksheets > english > science > chemistry > finding protons, electrons, neutrons.