Question

Draw the isotopic notation for an element with 15 protons, 18 neutrons and 18 electrons

Answer 1

can't be done

Step-by-step explanation:

protons and electrons always are the same number,and the neutrons are found by subtracting the atomic mass and protons/electrons soooooooo it can't have 15 protons, 18 electrons, and 18 neutrons.......i hope this helped if not please tell me.