1) What is the charge on a sodium ion? a) +1 b) +2 c) -1 d) -2 2) What is the charge on an oxide ion? a) +1 b) +2 c) -1 d) -2 3) What is the charge on an iodide ion? a) +1 b) +2 c) -1 d) -2 4) What is the charge on a Aluminium ion a) +1 b) +2 c) +3 d) +4 e) none of the above 5) What is the charge on a copper(II) ion a) +1 b) +2 c) +3 d) +4 e) none of the above 6) What is the charge on a silver(I) ion a) +1 b) +2 c) +3 d) +4 e) none of the above 7) What is the charge on a hydroxide ion? a) +1 b) -1 c) +2 d) -2 e) none of the above 8) What is the charge on a carbonate ion? a) +1 b) -1 c) +2 d) -2 9) What is the charge on a nitrate ion? a) +1 b) -1 c) +2 d) -2 10) What is the charge on a sulphate ion? a) +1 b) -1 c) +2 d) -2 11) What is the charge on a sulphide ion? a) +1 b) -1 c) +2 d) -2 12) Which of these structures is incorrect? a) NO₃⁻ b) CO₃²⁻ c) OH²⁻ d) SO₄²⁻ e) none of the above 13) Which of the following is correct a) Na²⁺ b) Mg⁺ c) Al²⁺ d) Li²⁺ e) none of the above 14) Which of the following is not a 2+ ion.. a) Barium b) Potassium c) Calcium d) Magnesium 15) Which of the following is not a 2- ion a) Sulphide b) Oxide c) Hydroxide d) Sulphate

Ionic Change quiz

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