Isotopes Worksheet Answer Key - What does the number next to isotopes signify? Web isotopes practice set oe aa — 1. Isotopes are atoms of the same element with different atomic masses. Symbol # of protons # of electrons # of. 5 protons, 6 neutrons, 5 electrons. Fill in the blanks with the correct answers for the following: 19 protons, 22 neutrons, 19 electrons.
What does the number next to isotopes signify? Web isotopes practice set oe aa — 1. Fill in the blanks with the correct answers for the following: 5 protons, 6 neutrons, 5 electrons. Isotopes are atoms of the same element with different atomic masses. 19 protons, 22 neutrons, 19 electrons. Symbol # of protons # of electrons # of.