Educated Earth // Videos - Physics & Chemistry - Physical Properties of the Halogens
User:
Pass:
Remember Me
Forgot Pass Register

Our educational work is entirely supported by people like you. Your donations directly add new exhibits and new features to the website, and even helps us open the Prehistoria Natural History Center!




eXTReMe Tracker

Videos / Physics & Chemistry / Physical Properties of the Halogens







Physical Properties of the Halogens
Loading the player...

Physical Properties of the Halogens
Group 7 elements, aka the Halogens, are indeed a strange and colorful bunch. Cl, Br and I are featured.


  • Currently 2.79/5
  • 1
  • 2
  • 3
  • 4
  • 5
Rating: 2.8 / 5 (981 votes)
Posted by michellethemit on April 30, 2007
Hits: 7622

More Videos

Thermoelectric Power Generation
Thermoelectric Power Generation
Type: Tech & Gadgets
What's So Funny About The Web?
What's So Funny About The Web?
Type: Tech & Gadgets
Surviving The World's Biggest Tsunami
Surviving The World's Biggest Tsunami
Type: Earth Sciences
Antarctica
Antarctica
Type: Earth Sciences
Spectacular Saturn Auroras
Spectacular Saturn Auroras
Type: Astronomy
The Mathematics of War
The Mathematics of War
Type: War
Train Gets Hit By A Tornado
Train Gets Hit By A Tornado
Type: Earth Sciences
8,000 Year Old Footprints Discovered
8,000 Year Old Footprints Discovered
Type: Humanity
Cordyceps - Parasitic Fungi
Cordyceps - Parasitic Fungi
Type: Life On Earth
Interactive Projector
Interactive Projector
Type: Tech & Gadgets
Bill Clinton Accepting 2007 TED Prize
Bill Clinton Accepting 2007 TED Prize
Type: Making A Difference
 Hiroshima Atomic Bomb
Hiroshima Atomic Bomb
Type: War
The Paper Wasp
The Paper Wasp
Type: Life On Earth
Sea Turtle Diving Techniques
Sea Turtle Diving Techniques
Type: Life on Earth
Octopus Eats Shark
Octopus Eats Shark
Type: Life On Earth

Comments

Posted by kimmy on August 23, 2007 at 8:54 pm
This is probably out in the left field.
We are removing ozone depleting refrigerants in favour of greenhouse gasses.
We are removing the gun that is shooting our left foot and shooting our right foot.
These refrigerants cost 3 times more.
Is it about saving our earth or saving our big businesses.
Posted by Tibor on March 30, 2011 at 10:04 am
The ozone depleting refrigerants, such as CFC's and PCB's, only contribute chlorine molecules which act as a catalyst. The role of the catalyst is to lower the reaction energy, without actually being consumed in the reaction. This means that the chlorine keeps reacting over and over to produce oxygen from ozone. I do not believe we are favoring greenhouse gases. Sure the replacement refrigerant is more expensive, but it does not contain the chlorine!
User: Pass: Remember Me

To comment on this item, please login or register.