An element's atomic number always tells how many of these particles it has in each atom

Below you can find the An element's atomic number always tells how many of these particles it has in each atom Jeopardy Words Answer. The answer to An element's atomic number always tells how many of these particles it has in each atom has 7 letters. This clue belongs to the Physics category and is part of Jeopardy Word Level 2170. If you scroll near the bottom you will find other clues and answers part of level 2170