Chemistry: Isotopes and Ions #Chemistry #grade9 #grade10 #grade11 Students will be tested on their knowledge of #isotopes and #ions. Based on NGSS HS-PS1-1 6 Questions by Science_by_Kahoot 09/14/2017 answers Play N/A plays What does the atomic number identify? The number of neutrons of a given atom. The number of protons of a given atom. The number of protons + neutrons of a given atom. The number of elections of a given atom. The number of protons + neutrons in an atomic nucleus is referred to as what? Atomic number Mass number Isotope number Atoms of the same element with differing number of electrons are called ________. elements isotopes ions Which subatomic particle is used to identify the atom, as it never changes? Electron Proton Neutron How many neutrons are in the nucleus of the following atom: 47 61 108 155 … and 10 more awesome questions! Check them out by clicking “Play”.