Periodic Table of the Elements
Menu
Periodic Table
Link to us
Contact

Search


 

Thulium

Previous element Next element


name Thulium
latin Thulium
french Thulium
german Thulium
symbol Tm
proton number 69
atomic weight 168.93421
Pauling electronegativity 1.25
electronic configuration [Xe] 4f135d06s2
>> show long
melting point 1818 K, 1545°C, 2813°F
boiling point 2223 K, 1950°C, 3542°F
group -
period 6
state (by 20°C) solid
oxidation states +3
printable version
printable version


discussion board
discussion board
(1)

Discoverer

Year of discovery Discoverer
1879 Per T. Cleve

>> show more

 
 
   
Copyright © 1998-2016 Jan Straka
All rights reserved. Czech version Czech version