An atom that has become charged because it has lost or gained electrons.

a.Valence electrons
b.Ion
c.Law of Conservation of Matter
d.Chemical bonds
e.Reactants
f.Electronegativity
g.Chemical reaction
h.Balanced chemical equation
i.Groups
j.Products
k.Coefficient
l.Periods
m.Chemical formula
n.Polyatomic ion

b. Ion