Skip to page content |

Tiscali Quicklinks. Please visit our Accessibility Page for a list of the Access Keys you can use to find your way around the site, skip directly to the main navigation, to the page content, or to more links within reference.

Advertisement starts

Advertisement ends

Content Starts Here

thulium

encyclopaedia header
Encyclopaedia Search
Click a letter for the index
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Or search the encyclopaedia:
 
 
 
all results tagged with the © symbol denotes content that is relevant to the national curriculum

Thulium


Soft, silver-white, malleable and ductile, metallic element of the lanthanide series, atomic number 69, relative atomic mass 168.94. It is the least abundant of the rare earth metals, and was first found in gadolinite and various other minerals. It is used in arc lighting.

The X-ray-emitting isotope Tm-170 is used in portable X-ray units. Thulium was named by Swedish chemist Per Cleve in 1879 after the northland, Thule.

© Research Machines plc 2008. All rights reserved. Helicon Publishing is a division of Research Machines plc.


 
Back
 

Advertisement starts

Advertisement ends


Related Links

Iraq Flag
Iraq Flag Red stands for courage. White represents generosity. Black symbolizes Islamic triumphs. Effective date: 22 January 1991. >>

Advertorial

AdvertorialFind out how to buy the things you've always wanted and sell the things you don't on ebay.

Advertisement starts

Advertisement ends

More Links Within This Section

-->
encylopaedia

Page Footer

print now Print now send to a friend Send to a friend related articles Related articles related products Related products

Check shares

Check shares
Look up latest prices
more...

Best Loans

Best Loans
Search for the best rate.
more...

Dating

Dating
Find the love of your life
more...

TV guide

TV Guide
What's on the box?
more...
| Advertise | Press | Work at Tiscali | Site Map | Service Status | Help | Contact Us
© Tiscali 2008
IT | NET

Access keys


You will need to use different key combinations in order to use access keys depending on your internet browser, find out which on our accessibility page.
  • (0) Navigate to Accessibility page.
  • (1) Navigate to Home page.
  • (2) Navigate to My email.
  • (3) Navigate to My Account.
  • (4) Navigate to Site Map page.
  • (5) Navigate to Contact us page.
  • (6) Navigate to Members channel.
  • (7) Navigate to Services channel.
  • (8) Navigate to News & Info channel.
  • (9) Navigate to Entertainment channel.
  • ([) Skip down to the Primary navigation block.
  • (]) Skip down to the more links within this section block.
  • (=) Bypass all navigation and jump to the content.