Bonding Topic 4. Metallic Bonding .

Bonding

Topic 4

Metallic Bonding

http://www.youtube.com/watch?v=c4udBSZfLHY

Ionic Bonding cause CRYSTALS to form.

Water Dissolving a Salt

Ionic, covalent, and H- bondinghttp://teachers.pasd.k12.pa.us/hs/plavcand/Ionic%20and%20Covalent%20Bonds.htm

Ionic, covalent, and H- bonding animations

http://bcs.whfreeman.com/thelifewire/content/chp02/02020.html

Giant Covalent Compounds

Diamond

Graphite

Fullerene

Nanotubes

Intermolecular Forceshttp://www.cdli.ca/courses/chem2202/unit02_org04_ilo03/b_activity.html

Di-Pole – Di-pole Forces

Hydrogen - Bonding

H-Bonding in an Ice Crystal

Van der Waals Forces

(London Dispersion Forces)

http://antoine.frostburg.edu/chem/senese/101/liquids/faq/h-bonding-vs-london-forces.shtml

Van der Waals Forces

(London Dispersion Forces)

http://antoine.frostburg.edu/chem/senese/101/liquids/faq/h-bonding-vs-london-forces.shtml

Van der Waals Forces

(London Dispersion Forces)

http://antoine.frostburg.edu/chem/senese/101/liquids/faq/h-bonding-vs-london-forces.shtml

Van der Waals Forces

(London Dispersion Forces)

http://antoine.frostburg.edu/chem/senese/101/liquids/faq/h-bonding-vs-london-forces.shtml

helium        -269°C

neon        -246°C

argon        -186°C

krypton        -152°C

xenon        -108°C

radon        -62°C

Van der Waals Forces

in Hydrocarbons

See p.205 and p.79(2,2 dimethyl propane)

Pentane

Covalent

bonds >

Hydrogen

bonding >Dipole-dipole

interactions >Van der WaalsLondon forces

Relative Strengths of Bonds