QUESTION IMAGE
Question
6 - write the chemical formula for the following compounds and indicate whether they are ionic or covalent.
| compound name | chemical formula | ionic or covalent |
|---|---|---|
| sodium nitride | ||
| magnesium oxide | ||
| dinitrogen trioxide | ||
| aluminum chloride | ||
| sodium chloride | ||
| boron monocarbide | ||
| potassium iodide | ||
| nitrogen monoxide |
Response
sulfur dibromide
Step1: Identify elements and prefixes. Sulfur (S), dibromide means 2 bromine (Br).
Step2: Write formula as $SBr_2$. Covalent (non - metals bonded).
sodium nitride
Step1: Sodium (Na⁺), nitride (N³⁻). Use criss - cross: Na⁺ and N³⁻, formula $Na_3N$.
Step2: Ionic (metal - non - metal).
magnesium oxide
Step1: Magnesium (Mg²⁺), oxide (O²⁻). Formula $MgO$ (charges balance).
Step2: Ionic (metal - non - metal).
dinitrogen trioxide
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| Compound Name | Chemical Formula | Ionic or Covalent |
|---|---|---|
| sodium nitride | $Na_3N$ | Ionic |
| magnesium oxide | $MgO$ | Ionic |
| dinitrogen trioxide | $N_2O_3$ | Covalent |
| aluminum chloride | $AlCl_3$ | Ionic |
| sodium chloride | $NaCl$ | Ionic |
| boron monocarbide | $BC$ | Covalent |
| potassium iodide | $KI$ | Ionic |
| nitrogen monoxide | $NO$ | Covalent |