Chemistry 12






Bonding 01



Interatomic

- Covalent
- Ionic
- Metallic
- Network Crystal

Intermolecular

- vander waals
- 1) Hydrogen Bonding
- 2) Dipolar Forces
- 3) London Forces





Ionic:
- Metal - Non Metal (Transfer)
- Electronegativity DIFF > 1.7
- Irons

Na + Energy@¨ Na+ + 1 electron
NCl+ 1e@¨ Cl- + Energy
Na+ + Cl-@¨ NaCl + Energy

IE - Ionization Energy (Remove e-)
EA - Electron Affinity (Capture e-)

Electronegativity (Wants e-)

Highest= F (4.0)
Lowest= Fr (0.7)

Most stable FrF - 3.3 - 100% ionic
Most Reactive Metal - Fr
Most Reactive non-Metal - F





Covalent:
- Sharing (octet rule)


Bonding Continuum




Substant FomulaMulting Point (Ž)
1C71000
2C3376
3SO22700
4CuA1638
5Fe1535
6NaF988
7KF846
8NaBr755
9KBr730
10NaI691
11KI680
12ZnSO4450
13Pb327
14NaOH318
15C10H10O11200
16Cl2H22O11114
17C6H4Cl256
18((H3)3COH25
19HOCH2CHOHCH2OH20
20H2O0
21Br2-7
22CH2W-18
23O2-190
24Ar-218

Very High ( >100a)

Network Crystal (Cdia, Cqraplate, S1O2)
Metallic (Fe, Cu)

High (300-1000)

Binary Ionic (NaF, KF, NaCl, KCl, NaMr, KBr, NaI, KI)
Polyatomic Ionic (ZnSO4, NaOH, Pb)

Room temperture (-30-300)

Dipolar or Hidrogen (C10H10O, SH3OH, Sl2H22O11, H2O)

Low ( >-30)

London (Ar, O2)





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