Mg, In, Pb,Co and Cs are all expected to form positive ions because they are considered types of metals. P, I, Cl, and O are going to form negative ions.
Answer:
an increasng atomic number/ increasing proton count
Explanation:
Na₂S₂O₃
(+1 × 2) + (2 × x) + (-2 × 3) = 0
2+2x-6 = 0
2x-4 = 0
2x = 4
x = 4/2
x = +2....