QUESTION IMAGE
Question
worksheet: chemical bonding - ionic & covalent
remember
ionic bond: between a metal and non - metal (m + nm)
covalent bond: between a non - metal and non - metal (nm + nm)
part 1: determine if the elements in the following compounds are metals or non - metals. describe the type of bonding that occurs in the compound.
compound\telement 1 (metal or non - metal?)\telement 2 (metal or non - metal?)\tbond type
no₂\t\t\tcovalent
nacl\tna = metal\to = non metal\t
so₂\ts = non - metal\ti = non metal\t
pi₃\tp = non - metal\tbr = non metal\t
mgbr₂\tmg = metal\to = non metal\t
cao\tca = metal\to = non metal\t
h₂o\th = metal\to = non metal\t
k₂o\tk = metal\tf = non metal\t
alf₃\tal = non metal\tf = non metal\t
o₂\to = nonmetal\t\t
cucl₂\tcu = non metal\tcl = non metal\t
no₂\tn = non metal\to = non metal\t
co₂\tc = nonmetal\to = non metal\t
hf\th = metal\tf = non metal\t
rb₂s\trb = metal\ts = non metal\t
nbr₃\tn = non metal\tbr = non metals\t
fe₂o₃\tfe : non metals\to = non metal\t
ccl₄\tc = non metals\tcl = non metal\t
Step1: Recall bonding rules
Ionic bonds form between a metal and a non - metal. Covalent bonds form between non - metals.
Step2: Analyze each compound
- $NO_2$: N (non - metal) and O (non - metal), covalent bond.
- $NaCl$: Na (metal) and Cl (non - metal), ionic bond.
- $SO_2$: S (non - metal) and O (non - metal), covalent bond.
- $PI_3$: P (non - metal) and I (non - metal), covalent bond.
- $MgBr_2$: Mg (metal) and Br (non - metal), ionic bond.
- $CaO$: Ca (metal) and O (non - metal), ionic bond.
- $H_2O$: H (non - metal) and O (non - metal), covalent bond.
- $K_2O$: K (metal) and O (non - metal), ionic bond.
- $AlF_3$: Al (metal) and F (non - metal), ionic bond.
- $O_2$: O (non - metal) and O (non - metal), covalent bond.
- $CuCl_2$: Cu (metal) and Cl (non - metal), ionic bond.
- $NO_2$: N (non - metal) and O (non - metal), covalent bond.
- $CO_2$: C (non - metal) and O (non - metal), covalent bond.
- $HF$: H (non - metal) and F (non - metal), covalent bond.
- $Rb_2S$: Rb (metal) and S (non - metal), ionic bond.
- $NBr_3$: N (non - metal) and Br (non - metal), covalent bond.
- $Fe_2O_3$: Fe (metal) and O (non - metal), ionic bond.
- $CCl_4$: C (non - metal) and Cl (non - metal), covalent bond.
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| Compound | Element 1 (metal or non - metal) | Element 2 (metal or non - metal) | Bond Type |
|---|---|---|---|
| $NaCl$ | Metal | Non - metal | Ionic |
| $SO_2$ | Non - metal | Non - metal | Covalent |
| $PI_3$ | Non - metal | Non - metal | Covalent |
| $MgBr_2$ | Metal | Non - metal | Ionic |
| $CaO$ | Metal | Non - metal | Ionic |
| $H_2O$ | Non - metal | Non - metal | Covalent |
| $K_2O$ | Metal | Non - metal | Ionic |
| $AlF_3$ | Metal | Non - metal | Ionic |
| $O_2$ | Non - metal | Non - metal | Covalent |
| $CuCl_2$ | Metal | Non - metal | Ionic |
| $NO_2$ | Non - metal | Non - metal | Covalent |
| $CO_2$ | Non - metal | Non - metal | Covalent |
| $HF$ | Non - metal | Non - metal | Covalent |
| $Rb_2S$ | Metal | Non - metal | Ionic |
| $NBr_3$ | Non - metal | Non - metal | Covalent |
| $Fe_2O_3$ | Metal | Non - metal | Ionic |
| $CCl_4$ | Non - metal | Non - metal | Covalent |