dysprosium

"dysprosium" is also a: user

created by Archetype

(thing) by CentrX (8.4 mon) (print) ? (I like it!) Fri Nov 03 2000 at 21:45:42

(So named (Greek dysprositos, "difficult of access") in 1886 by its discoverer, French chemist Paul-Émile Lecoq de Boisbaudran) A silver-white chemical element, one of the rare-earth metals, with a great capacity to absorb neutrons and with strong magnetic properties, especially at very low temperatures.

(thing) by SSMark82 (1.8 y) (print) ? (I like it!) Tue Dec 12 2000 at 20:53:24

Dysprosium
Symbol: Dy
Atomic Number: 66
Atomic Weight: 162.50
Boiling Point: 2840 K
Melting Point: 1685 K
Density at 300K: 8.55 g/cm³
Covalent radius: 1.59
Atomic radius: 2.49
Atomic volume: 19.0 cm³/mol
First ionization potental: 5.93 V
Specific heat capacity: 0.173 Jg^-1K^-1
Thermal conductivity: 10.7 Wm^-1K^-1
Electrical conductivity: 1.1*10⁶Ω^-1m^-1
Heat of fusion: 11.06 kJ/mol
Heat of vaporization: 230 kJ/mol
Electronegativity: 1.22 (Pauling's)

(definition) by Webster 1913 (print) Thu Jan 19 2006 at 14:27:52

Dys*pro"si*um (?), n. [NL., fr. Gr. dyspro`sitos hard to get at.] (Chem.)

An element of the rare earth-group. Symbol Dy; at. wt., 162.5.

rare-earth metal	californium	No cow is innocent	Gadolinium
Lanthanide Series	Human DNA viruses	Aluminum	Strontium
Terbium	Holmium	How to handle a radioactive cat	March 9, 2006
Germanium	gallium	Zirconium	The Periodic Table
Discovery of the Lanthanides and Actinides	Pewter	electronegativity	Dy
Periodic Table of the Elements	meter	Erbium	PCMCIA

Y'know, if you log in, you can write something here, or contact authors directly on the site. Create a New User if you don't already have an account.

Login
Password

E2 is a by-product of the existence of The Everything Development Company