For faster navigation, this Iframe is preloading the Wikiwand page for
Kuryo .
Curium
96 Cm
Panagway
silveryPayl:Curium.jpg
Kinatibuk-ang mga kinaiya
Ngalan, simbolo, kaiphan
curium, Cm, 96
Paglitok
[[Help:Pronunciation respelling key|Plantilya:Smallcaps all -ee-əm ]]
Kategoriyang elemento
aktinido
Group, period, block
[[group (({group))} element|(({group))}]], 7, f
Gibug-aton sa atomo
(247)
Kontorno sa elektron
[Rn ] 5f7 6d1 7s2 2, 8, 18, 32, 25, 9, 2
Electron shells of curium (2, 8, 18, 32, 25, 9, 2)
History
Pagkadiskobre
Glenn T. Seaborg, Ralph A. James, Albert Ghiorso (1944)
Physical properties
Phase
magahi
Density (near r.t.)
13.51 g·cm−3
Melting point
1613 K , 1340 °C, 2444 °F
Boiling point
3383 K, 3110 °C, 5630 °F
Heat of fusion
? 15 kJ·mol−1
Vapor pressure
P (Pa)
1
10
100
1 k
10 k
100 k
at T (K)
1788
1982
Atomic properties
Oxidation states
4, 3 (amphoteric oxide)
Electronegativity
1.3 (Pauling scale)
Ionization energies
1st: 581 kJ·mol−1
Atomic radius
174 pm
Covalent radius
169±3 pm
Miscellanea
Crystal structure
hexagonal close-packed
Magnetic ordering
antiferromagnetic→paramagnetic transition at 52 K[ 1]
Electrical resistivity
1.25[ 1] µΩ·m
CAS registry number
7440-51-9
Most stable isotopes
Main article: Isotopes of curium
iso
NA
half-life
DM
DE (MeV)
DP
242 Cm
trace
160 d
SF
-
-
α
6.1
238 Pu
243 Cm
trace
29.1 y
α
6.169
239 Pu
ε
0.009
243 Am
SF
-
-
244 Cm
trace
18.1 y
SF
-
-
α
5.8048
240 Pu
245 Cm
trace
8500 y
SF
-
-
α
5.623
241 Pu
246 Cm
trace
4730 y
α
5.475
242 Pu
SF
-
-
247 Cm
trace
1.56×107 y
α
5.353
243 Pu
248 Cm
trace
3.40×105 y
α
5.162
244 Pu
SF
-
-
250 Cm
syn
9000 y
SF
-
-
α
5.169
246 Pu
β−
0.037
250 Bk
· r
Ang kuryo o curyo (Iningles curium ) mao ang elementong kimiko sa talaang peryodiko nga may simbolo nga Cm ug kaiphan nga atomik 96. Ang kuryo mao ang aktinido.
↑ 1.0 1.1 Schenkel, R (1977). "The electrical resistivity of 244Cm metal". Solid State Communications . 23 (6): 389. Bibcode:1977SSCom..23..389S . doi:10.1016/0038-1098(77)90239-3 .
{{bottomLinkPreText}}
{{bottomLinkText}}
This page is based on a Wikipedia article written by
contributors (read /edit ).
Text is available under the
CC BY-SA 4.0 license; additional terms may apply.
Images, videos and audio are available under their respective licenses.
{{current.index+1}} of {{items.length}}
Thanks for reporting this video!
This browser is not supported by Wikiwand :( Wikiwand requires a browser with modern capabilities in order to provide you with the best reading experience. Please download and use one of the following browsers:
An extension you use may be preventing Wikiwand articles from loading properly.
If you're using HTTPS Everywhere or you're unable to access any article on Wikiwand, please consider switching to HTTPS (https ://www.wikiwand.com).
An extension you use may be preventing Wikiwand articles from loading properly.
If you are using an Ad-Blocker , it might have mistakenly blocked our content.
You will need to temporarily disable your Ad-blocker to view this page.
✕
This article was just edited, click to reload
Please click Add in the dialog above
Please click Allow in the top-left corner, then click Install Now in the dialog
Please click Open in the download dialog, then click Install
Please click the "Downloads" icon in the Safari toolbar, open the first download in the list, then click Install
{{::$root.activation.text}}
Follow Us
Don't forget to rate us
Oh no, there's been an error
Please help us solve this error by emailing us at
support@wikiwand.com
Let us know what you've done that caused this error, what browser you're using, and whether you have any special extensions/add-ons installed.
Thank you!