Ionic Bonding Puzzle Activity Answer Key -

| Cation | Anion (Polyatomic) | Ratio | Chemical Formula | Compound Name | | :--- | :--- | :--- | :--- | :--- | | Na⁺ | NO₃⁻ | 1:1 | NaNO₃ | Sodium nitrate | | Ca²⁺ | NO₃⁻ | 1:2 | Ca(NO₃)₂ | Calcium nitrate | | NH₄⁺ | Cl⁻ | 1:1 | NH₄Cl | Ammonium chloride | | NH₄⁺ | SO₄²⁻ | 2:1 | (NH₄)₂SO₄ | Ammonium sulfate | | Mg²⁺ | OH⁻ | 1:2 | Mg(OH)₂ | Magnesium hydroxide |

| Metal Ion | Nonmetal Ion | Ratio (Metal:Nonmetal) | Chemical Formula | Compound Name | | :--- | :--- | :--- | :--- | :--- | | Na⁺ | Cl⁻ | 1:1 | NaCl | Sodium chloride | | K⁺ | Br⁻ | 1:1 | KBr | Potassium bromide | | Mg²⁺ | Cl⁻ | 1:2 | MgCl₂ | Magnesium chloride | | Ca²⁺ | O²⁻ | 1:1 | CaO | Calcium oxide | | Al³⁺ | F⁻ | 1:3 | AlF₃ | Aluminum fluoride | | Al³⁺ | O²⁻ | 2:3 | Al₂O₃ | Aluminum oxide | ionic bonding puzzle activity answer key

In the puzzle, assuming all pieces connect only one way can lead to incorrect ratios. Always check the charge sum before writing the final formula. | Cation | Anion (Polyatomic) | Ratio |