Ions of the elements oxygen (O), sulfur (S), and selenium (Se) usually have charges of -2.Ions of the elements fluorine (F), chlorine (Cl), and bromine (Br) usually have charges of -1.This demonstrates that
Ions of the elements oxygen (O), sulfur (S), and selenium (Se) usually have charges of -2.Ions of the elements fluorine (F), chlorine (Cl), and bromine (Br) usually have charges of -1.This demonstrates that
