QUESTION IMAGE
Question
regular chemistry
name: name redacted date: 10/9 class: 5g
ws: ionic bonding with transition metals and polyatomic ions
complete the following table. make sure you use the criss cross method correctly, and use the naming rules to name correctly
| name | polyatomic formula with charge | formula |
|---|---|---|
| 2. calcium carbonate | ||
| 3. magnesium nitrate | ||
| 4. aluminum sulfate | ||
| 5. lithium phosphate | ||
| 6. ammonium chloride | ||
| 7. potassium sulfate | ||
| 8. mg₃(po₄)₂ | ||
| 9. al(clo₃)₃ | ||
| 10. caso₄ | ||
| 11. sr(hco₃)₂ | ||
| 12. nano₃ | ||
| 13. li₂co₃ | ||
| 14. ba(no₃)₂ |
Step1: Recall ion charges
Sodium ($Na^+$) has a +1 charge, chromate ($CrO_4^{2 -}$) has a - 2 charge. Using the criss - cross method, the formula is $Na_2CrO_4$.
Step2: Identify ion charges for calcium carbonate
Calcium ($Ca^{2+}$) has a +2 charge, carbonate ($CO_3^{2 -}$) has a - 2 charge. The formula is $CaCO_3$.
Step3: Determine ion charges for magnesium nitrate
Magnesium ($Mg^{2+}$) has a +2 charge, nitrate ($NO_3^{-}$) has a - 1 charge. The formula is $Mg(NO_3)_2$.
Step4: Find ion charges for aluminum sulfate
Aluminum ($Al^{3+}$) has a +3 charge, sulfate ($SO_4^{2 -}$) has a - 2 charge. Using criss - cross, the formula is $Al_2(SO_4)_3$.
Step5: Identify ion charges for lithium phosphate
Lithium ($Li^+$) has a +1 charge, phosphate ($PO_4^{3 -}$) has a - 3 charge. The formula is $Li_3PO_4$.
Step6: Determine ion charges for ammonium chloride
Ammonium ($NH_4^+$) has a +1 charge, chloride ($Cl^-$) has a - 1 charge. The formula is $NH_4Cl$.
Step7: Find ion charges for potassium sulfate
Potassium ($K^+$) has a +1 charge, sulfate ($SO_4^{2 -}$) has a - 2 charge. The formula is $K_2SO_4$.
Step8: Name $Mg_3(PO_4)_2$
Magnesium phosphate.
Step9: Name $Al(ClO_3)_3$
Aluminum chlorate.
Step10: Name $CaSO_4$
Calcium sulfate.
Step11: Name $Sr(HCO_3)_2$
Strontium hydrogen - carbonate or strontium bicarbonate.
Step12: Name $NaNO_3$
Sodium nitrate.
Step13: Name $Li_2CO_3$
Lithium carbonate.
Step14: Name $Ba(NO_3)_2$
Barium nitrate.
| Name | Polyatomic Formula with Charge | Formula |
|---|---|---|
| 2. Calcium Carbonate | $CO_3^{2 -}$ | $CaCO_3$ |
| 3. Magnesium Nitrate | $NO_3^{-}$ | $Mg(NO_3)_2$ |
| 4. Aluminum Sulfate | $SO_4^{2 -}$ | $Al_2(SO_4)_3$ |
| 5. Lithium Phosphate | $PO_4^{3 -}$ | $Li_3PO_4$ |
| 6. Ammonium Chloride | $Cl^-$ | $NH_4Cl$ |
| 7. Potassium Sulfate | $SO_4^{2 -}$ | $K_2SO_4$ |
| 8. $Mg_3(PO_4)_2$ | - | Magnesium phosphate |
| 9. $Al(ClO_3)_3$ | - | Aluminum chlorate |
| 10. $CaSO_4$ | - | Calcium sulfate |
| 11. $Sr(HCO_3)_2$ | - | Strontium hydrogen - carbonate/Strontium bicarbonate |
| 12. $NaNO_3$ | - | Sodium nitrate |
| 13. $Li_2CO_3$ | - | Lithium carbonate |
| 14. $Ba(NO_3)_2$ | - | Barium nitrate |
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Step1: Recall ion charges
Sodium ($Na^+$) has a +1 charge, chromate ($CrO_4^{2 -}$) has a - 2 charge. Using the criss - cross method, the formula is $Na_2CrO_4$.
Step2: Identify ion charges for calcium carbonate
Calcium ($Ca^{2+}$) has a +2 charge, carbonate ($CO_3^{2 -}$) has a - 2 charge. The formula is $CaCO_3$.
Step3: Determine ion charges for magnesium nitrate
Magnesium ($Mg^{2+}$) has a +2 charge, nitrate ($NO_3^{-}$) has a - 1 charge. The formula is $Mg(NO_3)_2$.
Step4: Find ion charges for aluminum sulfate
Aluminum ($Al^{3+}$) has a +3 charge, sulfate ($SO_4^{2 -}$) has a - 2 charge. Using criss - cross, the formula is $Al_2(SO_4)_3$.
Step5: Identify ion charges for lithium phosphate
Lithium ($Li^+$) has a +1 charge, phosphate ($PO_4^{3 -}$) has a - 3 charge. The formula is $Li_3PO_4$.
Step6: Determine ion charges for ammonium chloride
Ammonium ($NH_4^+$) has a +1 charge, chloride ($Cl^-$) has a - 1 charge. The formula is $NH_4Cl$.
Step7: Find ion charges for potassium sulfate
Potassium ($K^+$) has a +1 charge, sulfate ($SO_4^{2 -}$) has a - 2 charge. The formula is $K_2SO_4$.
Step8: Name $Mg_3(PO_4)_2$
Magnesium phosphate.
Step9: Name $Al(ClO_3)_3$
Aluminum chlorate.
Step10: Name $CaSO_4$
Calcium sulfate.
Step11: Name $Sr(HCO_3)_2$
Strontium hydrogen - carbonate or strontium bicarbonate.
Step12: Name $NaNO_3$
Sodium nitrate.
Step13: Name $Li_2CO_3$
Lithium carbonate.
Step14: Name $Ba(NO_3)_2$
Barium nitrate.
| Name | Polyatomic Formula with Charge | Formula |
|---|---|---|
| 2. Calcium Carbonate | $CO_3^{2 -}$ | $CaCO_3$ |
| 3. Magnesium Nitrate | $NO_3^{-}$ | $Mg(NO_3)_2$ |
| 4. Aluminum Sulfate | $SO_4^{2 -}$ | $Al_2(SO_4)_3$ |
| 5. Lithium Phosphate | $PO_4^{3 -}$ | $Li_3PO_4$ |
| 6. Ammonium Chloride | $Cl^-$ | $NH_4Cl$ |
| 7. Potassium Sulfate | $SO_4^{2 -}$ | $K_2SO_4$ |
| 8. $Mg_3(PO_4)_2$ | - | Magnesium phosphate |
| 9. $Al(ClO_3)_3$ | - | Aluminum chlorate |
| 10. $CaSO_4$ | - | Calcium sulfate |
| 11. $Sr(HCO_3)_2$ | - | Strontium hydrogen - carbonate/Strontium bicarbonate |
| 12. $NaNO_3$ | - | Sodium nitrate |
| 13. $Li_2CO_3$ | - | Lithium carbonate |
| 14. $Ba(NO_3)_2$ | - | Barium nitrate |