Free Printable Naming Ionic Compounds Worksheets - Free Printable

To solve the problem, we need to identify the positive and negative ions in each compound and then write the full name of the compound. Let's go through each formula step by step.

1. NaNO₃

- Positive Ion: Sodium ion (Na⁺)
- Negative Ion: Nitrate ion (NO₃⁻)
- Compound Name: Sodium nitrate

2. KOH

- Positive Ion: Potassium ion (K⁺)
- Negative Ion: Hydroxide ion (OH⁻)
- Compound Name: Potassium hydroxide

3. MgSO₄

- Positive Ion: Magnesium ion (Mg²⁺)
- Negative Ion: Sulfate ion (SO₄²⁻)
- Compound Name: Magnesium sulfate

4. CaCO₃

- Positive Ion: Calcium ion (Ca²⁺)
- Negative Ion: Carbonate ion (CO₃²⁻)
- Compound Name: Calcium carbonate

5. Sr(NO₃)₂

- Positive Ion: Strontium ion (Sr²⁺)
- Negative Ion: Nitrate ion (NO₃⁻)
- Compound Name: Strontium nitrate

6. Li₂CO₃

- Positive Ion: Lithium ion (Li⁺)
- Negative Ion: Carbonate ion (CO₃²⁻)
- Compound Name: Lithium carbonate

7. Na₂CrO₄

- Positive Ion: Sodium ion (Na⁺)
- Negative Ion: Chromate ion (CrO₄²⁻)
- Compound Name: Sodium chromate

8. K₃PO₄

- Positive Ion: Potassium ion (K⁺)
- Negative Ion: Phosphate ion (PO₄³⁻)
- Compound Name: Potassium phosphate

9. (NH₄)₃PO₄

- Positive Ion: Ammonium ion (NH₄⁺)
- Negative Ion: Phosphate ion (PO₄³⁻)
- Compound Name: Ammonium phosphate

10. Al(OH)₃

- Positive Ion: Aluminum ion (Al³⁺)
- Negative Ion: Hydroxide ion (OH⁻)
- Compound Name: Aluminum hydroxide

11. Mg₃(PO₄)₂

- Positive Ion: Magnesium ion (Mg²⁺)
- Negative Ion: Phosphate ion (PO₄³⁻)
- Compound Name: Magnesium phosphate

12. Zn(ClO₃)₂

- Positive Ion: Zinc ion (Zn²⁺)
- Negative Ion: Chlorate ion (ClO₃⁻)
- Compound Name: Zinc chlorate

13. Ca₃(PO₄)₂

- Positive Ion: Calcium ion (Ca²⁺)
- Negative Ion: Phosphate ion (PO₄³⁻)
- Compound Name: Calcium phosphate

14. Al₂(SO₄)₃

- Positive Ion: Aluminum ion (Al³⁺)
- Negative Ion: Sulfate ion (SO₄²⁻)
- Compound Name: Aluminum sulfate

15. Al₂(CrO₄)₃

- Positive Ion: Aluminum ion (Al³⁺)
- Negative Ion: Chromate ion (CrO₄²⁻)
- Compound Name: Aluminum chromate

Final Answer:

\[
\boxed{
\begin{array}{|c|c|c|c|}
\hline
\text{Formulas} & \text{Positive Ion} & \text{Negative Ion} & \text{Compound Name} \\
\hline
\text{NaNO₃} & \text{Na⁺} & \text{NO₃⁻} & \text{Sodium nitrate} \\
\hline
\text{KOH} & \text{K⁺} & \text{OH⁻} & \text{Potassium hydroxide} \\
\hline
\text{MgSO₄} & \text{Mg²⁺} & \text{SO₄²⁻} & \text{Magnesium sulfate} \\
\hline
\text{CaCO₃} & \text{Ca²⁺} & \text{CO₃²⁻} & \text{Calcium carbonate} \\
\hline
\text{Sr(NO₃)₂} & \text{Sr²⁺} & \text{NO₃⁻} & \text{Strontium nitrate} \\
\hline
\text{Li₂CO₃} & \text{Li⁺} & \text{CO₃²⁻} & \text{Lithium carbonate} \\
\hline
\text{Na₂CrO₄} & \text{Na⁺} & \text{CrO₄²⁻} & \text{Sodium chromate} \\
\hline
\text{K₃PO₄} & \text{K⁺} & \text{PO₄³⁻} & \text{Potassium phosphate} \\
\hline
\text{(NH₄)₃PO₄} & \text{NH₄⁺} & \text{PO₄³⁻} & \text{Ammonium phosphate} \\
\hline
\text{Al(OH)₃} & \text{Al³⁺} & \text{OH⁻} & \text{Aluminum hydroxide} \\
\hline
\text{Mg₃(PO₄)₂} & \text{Mg²⁺} & \text{PO₄³⁻} & \text{Magnesium phosphate} \\
\hline
\text{Zn(ClO₃)₂} & \text{Zn²⁺} & \text{ClO₃⁻} & \text{Zinc chlorate} \\
\hline
\text{Ca₃(PO₄)₂} & \text{Ca²⁺} & \text{PO₄³⁻} & \text{Calcium phosphate} \\
\hline
\text{Al₂(SO₄)₃} & \text{Al³⁺} & \text{SO₄²⁻} & \text{Aluminum sulfate} \\
\hline
\text{Al₂(CrO₄)₃} & \text{Al³⁺} & \text{CrO₄²⁻} & \text{Aluminum chromate} \\
\hline
\end{array}
}
\]