Chemistry In Exercises 44-46, use the information below.
Find the sum of the charges. Tell whether the atom is an ion.
A proton has a charge of +1.
• An electron has a charge of -1.
• An atom is an ion if it has a positive or negative charge.
44. Sodium: 11 protons, 10 electrons
45. Chlorine: 17 protons, 17 electrons
46, Oxide: 8 protons, 10 electrons.