Comments on: Extra Credit Opportunity!

By: Jade Alford

Jade Alford — Tue, 15 Sep 2009 02:35:00 +0000

Radium Ra88..this is some wierd stuff. Radium WAS used in self luminous clocks and watch hands…UNTIL workers died from it. It is radioactive!!! Antique Watches are still radioactive and will be for 1000 Years. Radioum has a 1/2 life (whatever that is) of 1600 years.. Jade

By: Megan Cassidy

Megan Cassidy — Tue, 15 Sep 2009 00:30:34 +0000

Copper:
Copper is used for many things such as wire, jewelry, coins, BBs, and even wire hair brushes. The boiling point is 2927 degrees celcius, the atomic weight is 63.546, and the symbol is Cu.
Megan

By: Russell Lawrence

Russell Lawrence — Tue, 15 Sep 2009 00:26:40 +0000

I found out that Krypton is not that thing that makes Superman crippled, but instead it can be used in incandescent light bulbs, and it makes an awesome shade of blue! Also those really annoying, super bright flashlights use them. I think they me be those really, really bright blue lights in some cars.

By: Andrew Pennington

Andrew Pennington — Mon, 14 Sep 2009 22:58:34 +0000

Titanium interests me because it is somewhat in a stage of a jet engine. An example is the top part of some hammers.

By: Alex Wise

Alex Wise — Mon, 14 Sep 2009 22:55:42 +0000

I think nickel is interesting because some people are allergic to it witch is odd because it’s a metal not like flowers or cats.

By: Riley Dismore

Riley Dismore — Mon, 14 Sep 2009 22:44:22 +0000

Copper:
Most commonly used in wiring because it is a very good conductor. We also use it in pennies (mixed with other elements to keep them from bending in your hand of course). Is extremely ductile and malleable.
Oh and if you wear a ring made out of copper it turns your finger blue, which is just kind of weird.

By: Craig Lyon

Craig Lyon — Mon, 14 Sep 2009 22:35:07 +0000

avi the reason people dont die when they eat fish is because its in very minute quantitys

By: Craig Lyon

Craig Lyon — Mon, 14 Sep 2009 22:34:09 +0000

uranium
used to make nuuclear power
makes stuff go boom
also it the last natual element
http://www.youtube.com/watch?v=-22tna7KHzI

By: Avi Borad

Avi Borad — Mon, 14 Sep 2009 22:12:46 +0000

Like Kelly I( also think Mercury is interesting because it is the only element that will melt in room temperature and if it weren’t poisonous we could play with it! Mercury is in tuna sushi, Mercury fever thermometer and
Vermilion red paint.
But if Mercury is in fish wouldn’t people who eat it die because it is poisonous????

By: Elizabeth H. is Amazing:)

Elizabeth H. is Amazing:) — Mon, 14 Sep 2009 22:07:07 +0000

Zirconium-
its important 4 nuclear industorys (not good) and it melts at 1885C
is found in jewelry, and body pirercings and nuclear stuff haha i got some zirconium in my 3rd hole in my ear!!!