QUESTION IMAGE
Question
for all formula write the names to fill in the table or names given identify if the chemical is ionic or covalent.
| formula | name | ionic compound | covalent compound | if ionic - give the cation charge | |
|---|---|---|---|---|---|
| f₂ | fluorine | √ | |||
| zn(h₂po₄)₂ | zinc dihydrogen phosphate | √ | |||
| n₃p | nitrogen phosphide | √ | +2 | ||
| albr₃ | aluminum bromide | √ | |||
| mn₃(po₄)₂ | manganese(ii) phosphate | √ | +3 | ||
| nano₃ | sodium nitrate | √ | +2 | ||
| no₂ | nitrogen dioxide | √ | |||
| k₂s | potassium sulfide | √ | +1 | ||
| li₂o | lithium oxide | √ | |||
| seo₂ | selenium dioxide | √ | 1+ | ||
| p₂s₅ | diphosphorus pentasulfide | √ | 1+ | ||
| albr₃ | aluminum bromide | √ | |||
| pi₃ | phosphorus triiodide | √ | |||
| br₂ | bromine | √ | 3+ |
Step1: Recall ionic and covalent compound rules
Ionic compounds form between metals and non - metals, covalent between non - metals. Cation charge is based on metal's position in periodic table or given oxidation state.
Step2: Analyze each compound
- $\text{Al}_{2}(\text{SO}_{4})_{3}$: Aluminum (metal) and sulfate (non - metal group), so ionic. Aluminum has a $3+$ charge.
- $\text{F}_{2}$: Two non - metal fluorine atoms, so covalent.
- $\text{Zn}(\text{H}_{2}\text{PO}_{4})_{2}$: Zinc (metal) and hydrogen phosphate (non - metal group), ionic. Zinc has a $2+$ charge.
- $\text{N}_{3}\text{P}$: Non - metal nitrogen and non - metal phosphorus, covalent.
- $\text{AlBr}_{3}$: Aluminum (metal) and bromine (non - metal), ionic. Aluminum has a $3+$ charge.
- $\text{Mn}_{3}(\text{PO}_{4})_{2}$: Manganese (metal) and phosphate (non - metal group), ionic. Manganese has a $2+$ charge here (from formula balance).
- $\text{NaNO}_{3}$: Sodium (metal) and nitrate (non - metal group), ionic. Sodium has a $1+$ charge.
- $\text{NO}_{2}$: Two non - metal atoms (nitrogen and oxygen), covalent.
- $\text{K}_{2}\text{S}$: Potassium (metal) and sulfur (non - metal), ionic. Potassium has a $1+$ charge.
- $\text{Li}_{2}\text{O}$: Lithium (metal) and oxygen (non - metal), ionic. Lithium has a $1+$ charge.
- $\text{SeO}_{2}$: Selenium (non - metal) and oxygen (non - metal), covalent.
- $\text{P}_{2}\text{S}_{3}$: Phosphorus (non - metal) and sulfur (non - metal), covalent.
- $\text{AlBr}_{3}$ (repeated): Aluminum (metal) and bromine (non - metal), ionic. Aluminum has a $3+$ charge.
- $\text{PI}_{3}$: Phosphorus (non - metal) and iodine (non - metal), covalent.
- $\text{Br}_{2}$: Two non - metal bromine atoms, covalent.
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| Formula | Name | Ionic | Covalent | If Ionic - give the cation charge |
|---|---|---|---|---|
| $\text{F}_{2}$ | Fluorine | $\checkmark$ | ||
| $\text{Zn}(\text{H}_{2}\text{PO}_{4})_{2}$ | Zinc dihydrogen phosphate | $\checkmark$ | $2+$ | |
| $\text{N}_{3}\text{P}$ | Nitrogen phosphide | $\checkmark$ | ||
| $\text{AlBr}_{3}$ | Aluminum bromide | $\checkmark$ | $3+$ | |
| $\text{Mn}_{3}(\text{PO}_{4})_{2}$ | Manganese(II) phosphate | $\checkmark$ | $2+$ | |
| $\text{NaNO}_{3}$ | Sodium nitrate | $\checkmark$ | $1+$ | |
| $\text{NO}_{2}$ | Nitrogen dioxide | $\checkmark$ | ||
| $\text{K}_{2}\text{S}$ | Potassium sulfide | $\checkmark$ | $1+$ | |
| $\text{Li}_{2}\text{O}$ | Lithium oxide | $\checkmark$ | $1+$ | |
| $\text{SeO}_{2}$ | Selenium dioxide | $\checkmark$ | ||
| $\text{P}_{2}\text{S}_{3}$ | Diphosphorus trisulfide | $\checkmark$ | ||
| $\text{AlBr}_{3}$ | Aluminum bromide | $\checkmark$ | $3+$ | |
| $\text{PI}_{3}$ | Phosphorus triiodide | $\checkmark$ | ||
| $\text{Br}_{2}$ | Bromine | $\checkmark$ |