QUESTION IMAGE
Question
5 - name the following compounds and indicate whether they are ionic or covalent.
| chemical formula | chemical name | ionic or covalent |
|---|---|---|
| gaf₃ | ||
| ph₃ | ||
| cao | ||
| p₂br₄ | ||
| nh₃ | ||
| mgbr₂ | ||
| li₂s | ||
| sio₂ |
For NaBr:
Step1: Identify ions
Na⁺ (sodium ion) and Br⁻ (bromide ion).
Step2: Name the compound
Combine names: Sodium bromide.
Step3: Determine bond type
Ionic (metal + non - metal).
For GaF₃:
Step1: Identify ions
Ga³⁺ (gallium(III) ion) and F⁻ (fluoride ion).
Step2: Name the compound
Gallium(III) fluoride (or gallium fluoride as Ga usually has +3 in fluorides).
Step3: Determine bond type
Ionic (metal + non - metal).
For PH₃:
Step1: Identify atoms
P (phosphorus) and H (hydrogen), both non - metals.
Step2: Name the compound
Phosphine (or phosphorus trihydride, but common name is phosphine).
Step3: Determine bond type
Covalent (non - metal + non - metal).
For CaO:
Step1: Identify ions
Ca²⁺ (calcium ion) and O²⁻ (oxide ion).
Step2: Name the compound
Calcium oxide.
Step3: Determine bond type
Ionic (metal + non - metal).
For P₂Br₄:
Step1: Identify atoms
P (phosphorus) and Br (bromine), both non - metals. Use prefixes (di - for 2 P, tetra - for 4 Br).
Step2: Name the compound
Diphosphorus tetrabromide.
Step3: Determine bond type
Covalent (non - metal + non - metal).
For NH₃:
Step1: Identify atoms
N (nitrogen) and H (hydrogen), both non - metals.
Step2: Name the compound
Ammonia (or nitrogen trihydride, common name is ammonia).
Step3: Determine bond type
Covalent (non - metal + non - metal).
For MgBr₂:
Step1: Identify ions
Mg²⁺ (magnesium ion) and Br⁻ (bromide ion).
Step2: Name the compound
Magnesium bromide.
Step3: Determine bond type
Ionic (metal + non - metal).
For Li₂S:
Step1: Identify ions
Li⁺ (lithium ion) and S²⁻ (sulfide ion).
Step2: Name the compound
Lithium sulfide.
Step3: Determine bond type
Ionic (metal + non - metal).
For SiO₂:
Step1: Identify atoms
Si (silicon) and O (oxygen), both non - metals. Use prefix (di - for 2 O).
Step2: Name the compound
Silicon dioxide.
Step3: Determine bond type
Covalent (non - metal + non - metal, also a network covalent solid).
Filling the table:
| Chemical Formula | Chemical Name | Ionic or Covalent |
|---|---|---|
| GaF₃ | Gallium(III) fluoride | Ionic |
| PH₃ | Phosphine | Covalent |
| CaO | Calcium oxide | Ionic |
| P₂Br₄ | Diphosphorus tetrabromide | Covalent |
| NH₃ | Ammonia | Covalent |
| MgBr₂ | Magnesium bromide | Ionic |
| Li₂S | Lithium sulfide | Ionic |
| SiO₂ | Silicon dioxide | Covalent |
Snap & solve any problem in the app
Get step-by-step solutions on Sovi AI
Photo-based solutions with guided steps
Explore more problems and detailed explanations
For NaBr:
Step1: Identify ions
Na⁺ (sodium ion) and Br⁻ (bromide ion).
Step2: Name the compound
Combine names: Sodium bromide.
Step3: Determine bond type
Ionic (metal + non - metal).
For GaF₃:
Step1: Identify ions
Ga³⁺ (gallium(III) ion) and F⁻ (fluoride ion).
Step2: Name the compound
Gallium(III) fluoride (or gallium fluoride as Ga usually has +3 in fluorides).
Step3: Determine bond type
Ionic (metal + non - metal).
For PH₃:
Step1: Identify atoms
P (phosphorus) and H (hydrogen), both non - metals.
Step2: Name the compound
Phosphine (or phosphorus trihydride, but common name is phosphine).
Step3: Determine bond type
Covalent (non - metal + non - metal).
For CaO:
Step1: Identify ions
Ca²⁺ (calcium ion) and O²⁻ (oxide ion).
Step2: Name the compound
Calcium oxide.
Step3: Determine bond type
Ionic (metal + non - metal).
For P₂Br₄:
Step1: Identify atoms
P (phosphorus) and Br (bromine), both non - metals. Use prefixes (di - for 2 P, tetra - for 4 Br).
Step2: Name the compound
Diphosphorus tetrabromide.
Step3: Determine bond type
Covalent (non - metal + non - metal).
For NH₃:
Step1: Identify atoms
N (nitrogen) and H (hydrogen), both non - metals.
Step2: Name the compound
Ammonia (or nitrogen trihydride, common name is ammonia).
Step3: Determine bond type
Covalent (non - metal + non - metal).
For MgBr₂:
Step1: Identify ions
Mg²⁺ (magnesium ion) and Br⁻ (bromide ion).
Step2: Name the compound
Magnesium bromide.
Step3: Determine bond type
Ionic (metal + non - metal).
For Li₂S:
Step1: Identify ions
Li⁺ (lithium ion) and S²⁻ (sulfide ion).
Step2: Name the compound
Lithium sulfide.
Step3: Determine bond type
Ionic (metal + non - metal).
For SiO₂:
Step1: Identify atoms
Si (silicon) and O (oxygen), both non - metals. Use prefix (di - for 2 O).
Step2: Name the compound
Silicon dioxide.
Step3: Determine bond type
Covalent (non - metal + non - metal, also a network covalent solid).
Filling the table:
| Chemical Formula | Chemical Name | Ionic or Covalent |
|---|---|---|
| GaF₃ | Gallium(III) fluoride | Ionic |
| PH₃ | Phosphine | Covalent |
| CaO | Calcium oxide | Ionic |
| P₂Br₄ | Diphosphorus tetrabromide | Covalent |
| NH₃ | Ammonia | Covalent |
| MgBr₂ | Magnesium bromide | Ionic |
| Li₂S | Lithium sulfide | Ionic |
| SiO₂ | Silicon dioxide | Covalent |