posted by Sonic .
Atom building game board has 17 protons, 18 neutrons, and 18 electrons.
*What is the atom that's represented on the game board.
*What is the total charge on this atom?
*What is the mass # of this atom?
*What do you call an atom that different #'s of protons and neutrons?
*What would you have to do to make this atom neutral?