Brilliant Time-Lapse of Alaska’s Northern Lights

The beautiful interplay of charged particles from outer space (electrons and protons) with single atoms of oxygen! If you're interested, read more at this Wikipedia link.

Topics for Unit 6 Bonding Test

Bonding Unit Topics (Test Dec 4)

General Bonding:

Octet Rule
Electronegativity and Bond Type (non polar bonds, polar bonds, ionic bonds)
Lewis Dot Diagrams
Valence electrons for each family (Main Group columns: 1A, 2A, 3A, 4A, 5A, 6A, 7A, 8A)

Covalent Bonds

General properties (gases, liquids or soft solids at room temp)

Lewis Structures

Single, double and triple bonds (Hybridization: sp3, sp2, sp)

VSEPR shapes (linear, bent, trigonal planar, trigonal pyramidal, tetrahedral)

Polar vs nonpolar molecules

Ionic Bonds

Ionic Crystals

Properties of ionic compounds as described by ionic bonds

Brittle Solids at room temperature

High melting and boiling points

Don’t conduct electricity in solid state

Conduct electricity when molten or dissolved in a polar liquid.

Metallic Bonds

Mobile sea of valence electrons attracted to metal cation

Properties of metals as explained by metallic bonding.

luster, malleable, ductile, good conductors of heat and electricity

Alloys

Intermolecular Forces (IMF)

London Dispersion Forces

Dipole - Dipole Forces

Hydrogen Bonding

Homework due 11.30.15

Read
  Chapter 14.1A, pp 489-491
Do
  Problems 1, 3, 5, 7 pg 514

note:  Practice test for Unit 6 is in Chemistry Locker

Homework due 11.24.15

Read
  Chapter 12.4C, pp 430-433
Do
  Problems 50 (b,c), 51, 52 (hint: read the PDF I posted earlier for a direct answer to this) pg 437

The CHEMICAL BONDS Song - Mr. Edmonds - Rock with Abba's "Dancing Que...

Homework due 11.23.15

Read
Chapter 12.4A and 12.4 B, pp 423-430
Do
Problems 39, 40, 41, 42, 45, 48 pg 437

How to Draw Lewis Structures: Five Easy Steps

Homework due 11.20.15

Read
Chapter 12.3B pp 417-422
Do
Problems 35, 36, 37 pg 437

meteor shower information

Want to see some meteors?
Click here:  http://bit.ly/meteorshowerhandout

Homeword due 11.18,19.15

Read
  Chapter 12.3A, pp 413-416
Do
  Practice Problem • Exercise 12.2 pg 417 (top of page)
  Problems 30, 33, 34 pg 436

Homework due 11.17.15

Read
  Chapter 12.2 pp 407-412
Do
  Problems 24, 26, 28, 29 pg 436

Homework due 11.16.15

Read
  Chapter 12.1, pp 400-406
Do
  Problems 2, 4, 9, 10, 13, 16, 17 pp 435-436

Happy Friday the 13th!

Agenda for 11.12.15

Topics for Friday Test

• Ionic Compounds
  • Binary with main group elements
  • Binary with Transition Metals
  • Polyatomic Ions
    • (chart with ions provided)
• Molecular Compounds
  • Prefixes and when to use them
  • Diatomic 7 (Horses Need Oats For Clear Brown I’s?)
  • molecular compounds with common names (H₂O, NH₃, H₂O₂)
• Acids
• monoatomic anion
• polyatomic anions

You must be able to go back and forth between name and formula!

Homework due 11.9.15

Read
  Chapter 4.2 pp 109-117
Do
  Problems 17, 18, 20, 22, 23, 26, 27 pg 119

click here fore awesome ionic naming game!

Homework due 11.4,5.15

Read   
  Chapter 4.1B, pp 113-114
Do 
  questions on p 118, #10, 11 

Homework due 11.3.15

Read
Chapter 4.1, section A,  pp 92-103
Do
Problems  4, 5, 6, 7, pg 118