Hi! two 24 points and brainliest to whoever answers both correctly first! 1. use the following periodic table entry for barium to answer the question below. there are neutrons in barium-137. 81 56 137 112 2. select all that apply. the stability of atomic nuclei is related to the (you can pick more then one) ratio of protons to electrons ratio of neutrons to protons number of protons and neutrons number of electrons