Choose all of the answers that are correct when describing this atom.

this atom is chlorine.
this atom is bromine.
the mass of this atom is 52 amu.
this atom has an overall charge of 0.
the mass of this atom is 69 amu.

choose all that apply

I believe that this atom is  chlorine and the atom has an overall charge of zero.
Chlorine is chemical element which is atomic number 17 in the periodic table. Each chlorine atom has 17 protons (positively charged) in the nucleus balanced by 17 electrons (negatively charged) in the energy shells ( thus an overall charge of zero) 

D. most models represent a real world object in a simpler way