Classification of substances padlet by doehlke@eabdf.br

Sodium Chloride

doehlke — 2016-01-16 15:35:37 UTC

ammonia, NH3

doehlke — 2016-01-16 15:34:55 UTC

Group Examples into 5 Categories

doehlke — 2016-01-16 15:34:41 UTC

metals, ionic compounds, covalent network crystals, nonpolar and polar molecules.

Sucrose C12H22O11

doehlke — 2016-01-22 13:07:28 UTC

Sulfur S8

doehlke — 2016-01-22 13:07:41 UTC

water, H2O

doehlke — 2016-01-22 13:07:51 UTC

diamond, C

doehlke — 2016-01-22 13:08:01 UTC

Four covalent bonds in a tetrahedron from each carbon atom.

graphite, Cx

doehlke — 2016-01-22 13:08:08 UTC

Weak layers conduct electricity

quartz (silicon dioxide) SiO2

doehlke — 2016-01-22 13:08:15 UTC

Carbon dioxide, CO2

doehlke — 2016-01-22 13:08:34 UTC

ethanamine CH3CH2NH2

doehlke — 2016-01-22 13:08:42 UTC

Methane, CH4

doehlke — 2016-01-22 13:09:00 UTC

Lead, Pb

doehlke — 2016-01-22 13:09:06 UTC

Calcium, Ca

doehlke — 2016-01-22 13:09:17 UTC

Copper(II) sulfate CuSO4

doehlke — 2016-01-22 13:09:45 UTC

Calcium oxide, CaO

doehlke — 2016-01-22 13:09:59 UTC

Covalent Network

eab201704360 — 2016-02-03 11:21:20 UTC

Polar Molecules

eab201704360 — 2016-02-03 11:21:51 UTC

NP Molecules

eab201804131 — 2016-02-03 11:22:12 UTC

Metals

eab201704360 — 2016-02-03 11:22:35 UTC

Ionic Compounds

eab201704360 — 2016-02-03 11:22:59 UTC

Malleable

eab201704358 — 2016-02-04 11:34:49 UTC

Able to pound into thin sheets

High melting point

eab201704373 — 2016-02-04 11:35:01 UTC

High boiling point

eab201704373 — 2016-02-04 11:35:13 UTC

insulator

eab201704373 — 2016-02-04 11:38:43 UTC

Good conductors (as solids and liquids)

eab201704373 — 2016-02-04 11:40:01 UTC

Free moving electrons (delocalised)

non conductors

dlsdldidkssu — 2016-02-04 11:49:04 UTC

non conductive

dlsdldidkssu — 2016-02-04 11:49:25 UTC

High melting/boiling point

eab201704373 — 2016-02-04 11:49:41 UTC

High melting/Boiling Point

dlsdldidkssu — 2016-02-04 11:49:44 UTC

conductors when molten

eab201704373 — 2016-02-04 11:50:01 UTC

free moving ions in the liquid phase.

Low melting point

eab201704358 — 2016-02-04 11:50:11 UTC

always soluble in water

eab201704373 — 2016-02-04 11:50:38 UTC

london dispersion forces

eab201704373 — 2016-02-04 11:50:55 UTC

Low melting

eab201704358 — 2016-02-04 11:51:03 UTC

London dispersion forces are weak Van de Waals Forces

Usually soluble in water

eab201703791 — 2016-02-04 11:51:52 UTC

dipole dipole

eab201704358 — 2016-02-04 11:52:55 UTC

hydrogen bonding

eab201704358 — 2016-02-04 11:53:50 UTC

H with N,O,F

Hydrogen bonding

doehlke — 2016-02-04 13:47:20 UTC

The stronger than usual dipole force when H is connected to N, O or F.

Dipole Dipole Force

doehlke — 2016-02-04 13:47:57 UTC

Attraction between the

Ionic Bond

doehlke — 2016-02-04 13:48:27 UTC

Attraction between ions. Strong!

Covalent bond

doehlke — 2016-02-04 13:48:45 UTC

Shared electron pairs

Metallic bond

doehlke — 2016-02-04 13:49:21 UTC

Attraction between the positive kernel of the atom and the delocalised valence electrons

animation..

doehlke — 2016-02-04 13:51:14 UTC

Animation

doehlke — 2016-02-04 13:52:46 UTC

Animation

doehlke — 2016-02-04 13:53:40 UTC

Ionic bonds

doehlke — 2016-02-04 15:02:02 UTC

Compare diamond to graphite

doehlke — 2016-02-04 15:04:30 UTC

Ductile

doehlke — 2016-02-04 15:05:06 UTC

Able to form into wires.

I2 Iodine

doehlke — 2016-02-04 15:07:12 UTC

SiO2

doehlke — 2016-02-04 15:13:53 UTC

Compare graphite, diamond and quartz