Chapter+8 - 1 Chemical Bonds Ionic Covalent Metallic...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
1 Chemical Bonds Ionic Covalent Metallic Valence Electrons ˚ Electron-dot 2 Energetics of Ionic Bond Formation Atomization(sublimation) Ionization Bond dissociation Electron Affinity Lattice Energy ˚ 2Na + Cl 2 (g) 2NaCl(s) 3 Born-Haber Cycle
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
4 Covalent Bonding Electron Pair ˚ H· + ·H H:H ˚ H + + :NH 3 H:NH 3 + Lewis structures ˚ :N:::N: H HH H C : .. .. : H H H H C 5 Rules for Lewis Structures Sum valence electrons(all atoms) Write symbols for atoms(skeletal structure Complete octets(except for H) Place leftover electrons on central atom Form multiple bonds if not enough electrons 6 Examples of Drawing Lewis Structures NH 3 ˚ Valence electrons N= 5 H= 1 x 3= 3 8 HN H H : : .. ..
Background image of page 2
7 More Examples of Lewis Structures CO 2 ˚ Valence electrons C= 4 O= 2 x 6 = 12 16 O CO ::: : .. .. .. .. :: O : : .. .. 8 Lewis Structures of Ions [NH 4 ]+ Valence electrons = 5 + 4 - 1 = 8 [CN] Valence electrons = 4 + 5 + 1 = 10 N H H H H + C N Section 8.3, 5 9
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 8

Chapter+8 - 1 Chemical Bonds Ionic Covalent Metallic...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online