Kùríọ̀m

Curium
96Cm
Gd ↑ Cm ↓ (Uqh) Tábìlì ìdásìkò americium ← curium → berkelium
Ìhànsójú
silvery
Àwọn ìdámọ́ wíwọ́pọ̀
Orúkọ, àmì-ìdámọ́, nọ́mbà	curium, Cm, 96
Ìpèlóhùn	/ˈkjʊəriəm/ KEWR-ee-əm
Ẹ̀ka ẹ́límẹ̀nti	actinide
Ẹgbẹ́, àsìkò, àdìpò	n/a, 7, f
Ìwúwo átọ́mù	(247)
Ìtòléra ẹ̀lẹ́ktrónì	[Rn] 5f7 6d1 7s2 2, 8, 18, 32, 25, 9, 2
Physical properties
Phase	solid
Density (near r.t.)	13.51 g·cm−3
Melting point	1613 K
Boiling point	3383 K
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	no data
CAS registry number	7440-51-9
Àwọn ísótòpù dídúró jùlọ
Main article: Àwọn ísótòpù curium
iso NA half-life DM DE (MeV) DP 242Cm syn 160 days SF - - α 6.1 238Pu 243Cm syn 29.1 y α 6.169 239Pu ε 0.009 243Am SF - - 244Cm syn 18.1 y SF - - α 5.902 240Pu 245Cm syn 8500 y SF - - α 5.623 241Pu 246Cm syn 4730 y α 5.475 242Pu SF - - 247Cm syn 1.56×107 y α 5.353 243Pu 248Cm syn 3.40×105 y α 5.162 244Pu SF - - 250Cm syn 9000 y SF - - α 5.169 246Pu β− 0.037 250Bk

Kùríọ̀m tabi Curium je apilese kemika alasopapo to ni ami-idamo Cm ati nomba atomu 96. Gege bi apilese teyinuraniom onide alagbararadio ti eseese aktinidi, kuriom nje mimuwaye nipa didigbolu plutonium pelu awon igbonwo alpha (awon ioni helium). O je sisoloruko fun Marie Skłodowska-Curie ati oko re Pierre.