QUESTION IMAGE
Question
ec6 practice with all kinds of compounds. label each of these compounds as ionic or covalent, then name according to right naming rule
formula | ionic or covalent? | name
agno₃
cucl₂
cacl₂
cao
co₂
sf₆
na₂s
fe₂o₃
o₂f₆
cs₂
cas
cus
cuso₄
na₂so₄
iron (ii) chloride
dinitrogen pentoxide
chlorine monofluoride
selenium hexabromide
mercury (i) sulfate
sodium oxide
tin (iv) oxide
iron (iii) nitrate
manganese (iv) sulfate
Step1: Recall ionic and covalent compound rules
Ionic compounds usually form between metals and non - metals, while covalent compounds form between non - metals.
Step2: Analyze each compound
- $\text{AgNO}_3$: Silver (metal) and nitrate (non - metal group), ionic, silver nitrate.
- $\text{CuCl}_2$: Copper (metal) and chlorine (non - metal), ionic, copper(II) chloride.
- $\text{CaCl}_2$: Calcium (metal) and chlorine (non - metal), ionic, calcium chloride.
- $\text{CaO}$: Calcium (metal) and oxygen (non - metal), ionic, calcium oxide.
- $\text{CO}_2$: Carbon and oxygen (both non - metals), covalent, carbon dioxide.
- $\text{SF}_6$: Sulfur and fluorine (both non - metals), covalent, sulfur hexafluoride.
- $\text{Na}_2\text{S}$: Sodium (metal) and sulfur (non - metal), ionic, sodium sulfide.
- $\text{Fe}_2\text{O}_3$: Iron (metal) and oxygen (non - metal), ionic, iron(III) oxide.
- $\text{O}_2\text{F}_6$: Oxygen and fluorine (both non - metals), covalent, dioxygen hexafluoride.
- $\text{CS}_2$: Carbon and sulfur (both non - metals), covalent, carbon disulfide.
- $\text{CaS}$: Calcium (metal) and sulfur (non - metal), ionic, calcium sulfide.
- $\text{CuS}$: Copper (metal) and sulfur (non - metal), ionic, copper(II) sulfide.
- $\text{CuSO}_4$: Copper (metal) and sulfate (non - metal group), ionic, copper(II) sulfate.
- $\text{Na}_2\text{SO}_4$: Sodium (metal) and sulfate (non - metal group), ionic, sodium sulfate.
- Iron (II) chloride: $\text{FeCl}_2$, ionic.
- Dinitrogen pentoxide: $\text{N}_2\text{O}_5$, covalent.
- Chlorine monofluoride: $\text{ClF}$, covalent.
- Selenium hexabromide: $\text{SeBr}_6$, covalent.
- Mercury (I) sulfate: $\text{Hg}_2\text{SO}_4$, ionic.
- Sodium oxide: $\text{Na}_2\text{O}$, ionic.
- Tin (IV) oxide: $\text{SnO}_2$, ionic.
- Iron (III) nitrate: $\text{Fe(NO}_3)_3$, ionic.
- Manganese (IV) sulfate: $\text{Mn(SO}_4)_2$, ionic.
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| formula | Ionic or covalent? | Name |
|---|---|---|
| $\text{CuCl}_2$ | Ionic | Copper(II) chloride |
| $\text{CaCl}_2$ | Ionic | Calcium chloride |
| $\text{CaO}$ | Ionic | Calcium oxide |
| $\text{CO}_2$ | Covalent | Carbon dioxide |
| $\text{SF}_6$ | Covalent | Sulfur hexafluoride |
| $\text{Na}_2\text{S}$ | Ionic | Sodium sulfide |
| $\text{Fe}_2\text{O}_3$ | Ionic | Iron(III) oxide |
| $\text{O}_2\text{F}_6$ | Covalent | Dioxygen hexafluoride |
| $\text{CS}_2$ | Covalent | Carbon disulfide |
| $\text{CaS}$ | Ionic | Calcium sulfide |
| $\text{CuS}$ | Ionic | Copper(II) sulfide |
| $\text{CuSO}_4$ | Ionic | Copper(II) sulfate |
| $\text{Na}_2\text{SO}_4$ | Ionic | Sodium sulfate |
| $\text{FeCl}_2$ | Ionic | Iron (II) chloride |
| $\text{N}_2\text{O}_5$ | Covalent | Dinitrogen pentoxide |
| $\text{ClF}$ | Covalent | Chlorine monofluoride |
| $\text{SeBr}_6$ | Covalent | Selenium hexabromide |
| $\text{Hg}_2\text{SO}_4$ | Ionic | Mercury (I) sulfate |
| $\text{Na}_2\text{O}$ | Ionic | Sodium oxide |
| $\text{SnO}_2$ | Ionic | Tin (IV) oxide |
| $\text{Fe(NO}_3)_3$ | Ionic | Iron (III) nitrate |
| $\text{Mn(SO}_4)_2$ | Ionic | Manganese (IV) sulfate |