Fill in the name and empirical formula of each ionic compound that could be formed from the ions in this table: cation 2+ Co 2+ Ca²+ Na 3+ Fe anion BrOâ‚‚ NO3 10 3- PO 4 some ionic compounds empirical formula Ca (BrOâ‚‚)â‚‚ Ca(NO3)â‚‚ Nalo FePO4 name of compound calcium bromite calcium nitrate sodium hypoiodite iron(III) phosphate X Ã…Å¡ None Try Again Your answer is incorrect. • Row 1: empirical formula: Your answer is incorrect. • Row 1: name of compound: The name of this compound is not “calcium bromite”. Be sure you know the correct names of all elements in this compound. Check the Periodic Table if necessary. Fill in the name and empirical formula of each ionic compound that could be formed from the ions in this table: cation Co 2x 2+ Ca Na Fe³+ anion BrOâ‚‚ NO3 10 PO some ionic compounds empirical formula Ca (BrOâ‚‚)â‚‚ Ca(NO3)â‚‚ NaIO FePO4 name of compound calcium bromite calcium nitrate sodium hypoiodite iron(III) phosphate X
The Correct Answer and Explanation is :
To correctly fill in the names and empirical formulas of the ionic compounds formed by the given ions, we must use the standard rules for naming ionic compounds. Here’s the completed table:
Completed Table:
| Cation | Anion | Empirical Formula | Name |
|---|---|---|---|
| Ca2+\text{Ca}^{2+} | BrO2−\text{BrO}_2^- | Ca(BrO2)2\text{Ca(BrO}_2)_2 | Calcium bromite |
| Ca2+\text{Ca}^{2+} | NO3−\text{NO}_3^- | Ca(NO3)2\text{Ca(NO}_3)_2 | Calcium nitrate |
| Na+\text{Na}^+ | IO3−\text{IO}_3^- | NaIO3\text{NaIO}_3 | Sodium iodate |
| Fe3+\text{Fe}^{3+} | PO43−\text{PO}_4^{3-} | FePO4\text{FePO}_4 | Iron(III) phosphate |
Explanation (300 Words):
To form ionic compounds, we combine cations (positive ions) and anions (negative ions) in proportions that neutralize the overall charge. The rules for naming these compounds include identifying the charge of the cation and balancing it with the anion to achieve electrical neutrality. Here’s how each compound was determined:
- Calcium bromite (Ca(BrO2)2\text{Ca(BrO}_2)_2):
Calcium (Ca2+\text{Ca}^{2+}) pairs with bromite (BrO2−\text{BrO}_2^-). Since calcium is 2+2+ and bromite is 1−1-, we need two bromite ions to balance the 2+2+ charge of calcium. The name follows the convention of naming the metal first and the polyatomic ion second. - Calcium nitrate (Ca(NO3)2\text{Ca(NO}_3)_2):
Calcium (Ca2+\text{Ca}^{2+}) combines with nitrate (NO3−\text{NO}_3^-). Two nitrate ions are required to balance the charge of one calcium ion. - Sodium iodate (NaIO3\text{NaIO}_3):
Sodium (Na+\text{Na}^+) pairs with iodate (IO3−\text{IO}_3^-). Since sodium is 1+1+ and iodate is 1−1-, they combine in a 1:1 ratio. - Iron(III) phosphate (FePO4\text{FePO}_4):
Iron(III) (Fe3+\text{Fe}^{3+}) pairs with phosphate (PO43−\text{PO}_4^{3-}). The charges are already balanced in a 1:1 ratio. The Roman numeral “III” indicates the 3+3+ charge of iron.
By using systematic naming rules and charge balancing, the empirical formulas and correct names are derived.