Complete the table below by writing the symbols for the cation and anion that make up each ionic compound. The first row has been completed for you. ionic compound cation NaCl Co. (PO4)₂ NH₂F FeBr₂ Fe(OH)3 Na 0 0 0 anion OOOOO X Do S

(a) Write the formulas of all neutral ionic compounds that can be formed by combining the cations Na+ and Ba2+ with the anions S2 and PO43. (b) Iron forms ions having 2+ and 3+ changes. Write the formulas of the compounds formed between chloride ions and these two different iron cations.

Give the chemical symbol for each of the following ions. a. An oxygen atom that has gained two electrons b. A magnesium atom that has lost two electrons c. A fluorine atom that has gained one electron d. An aluminum atom that has lost three electrons

Sulfur dioxide, SO2, is a molecular compound that contributes to acid rain, and CaCO3 is an ionic compound that can neutralize acid rain. Explain the difference in the meanings of these two formulas.

For the following pairs of ions, use the principle of electrical neutrality to predict the formula of the binary compound that the ions are most likely to form. Na+andS2e.Cu2+andBr K+andClf.Al3+andI Ba2+andO2g.Al3+andO2 Mg2+andSe2h.Ca2+andN3

In each box, write the chemical formula of the compound formed by the cation at the head of the column and the anion at the left of the row, and then write the name of the compound. Refer only to a clean periodic table when completing this exercise. Ions Na Hg2 NH4 Pb2 Mg2 Fe3 Cu2 OH- BrO- CO32- ClO32- HSO4- Br- PO43- IO4- S2-