କ୍ୟୁରିଅମ ହେଉଛି ଏକ ତେଜସ୍କ୍ରିୟ ରାସାୟନିକ ମୌଳିକ ଯାହାର ପ୍ରତୀକ Cmପରମାଣୁ କ୍ରମାଙ୍କ ୯୬ ।

Curium,  96Cm
ସାଧାରଣ ଗୁଣ
ନାମ, ପ୍ରତୀକcurium, Cm
Appearancesilvery
ଉଚ୍ଚାରଣ/ˈkjʊəriəm/
KEWR-ee-əm
Curium in the periodic table
Hydrogen (other non-metal)
Helium (noble gas)
Lithium (alkali metal)
Beryllium (alkaline earth metal)
Boron (metalloid)
Carbon (other non-metal)
Nitrogen (other non-metal)
Oxygen (other non-metal)
Fluorine (halogen)
Neon (noble gas)
Sodium (alkali metal)
Magnesium (alkaline earth metal)
Aluminium (post-transition metal)
Silicon (metalloid)
Phosphorus (other non-metal)
Sulfur (other non-metal)
Chlorine (halogen)
Argon (noble gas)
Potassium (alkali metal)
Calcium (alkaline earth metal)
Scandium (transition metal)
Titanium (transition metal)
Vanadium (transition metal)
Chromium (transition metal)
Manganese (transition metal)
Iron (transition metal)
Cobalt (transition metal)
Nickel (transition metal)
Copper (transition metal)
Zinc (transition metal)
Gallium (post-transition metal)
Germanium (metalloid)
Arsenic (metalloid)
Selenium (other non-metal)
Bromine (halogen)
Krypton (noble gas)
Rubidium (alkali metal)
Strontium (alkaline earth metal)
Yttrium (transition metal)
Zirconium (transition metal)
Niobium (transition metal)
Molybdenum (transition metal)
Technetium (transition metal)
Ruthenium (transition metal)
Rhodium (transition metal)
Palladium (transition metal)
Silver (transition metal)
Cadmium (transition metal)
Indium (post-transition metal)
Tin (post-transition metal)
Antimony (metalloid)
Tellurium (metalloid)
Iodine (halogen)
Xenon (noble gas)
Caesium (alkali metal)
Barium (alkaline earth metal)
Lanthanum (lanthanoid)
Cerium (lanthanoid)
Praseodymium (lanthanoid)
Neodymium (lanthanoid)
Promethium (lanthanoid)
Samarium (lanthanoid)
Europium (lanthanoid)
Gadolinium (lanthanoid)
Terbium (lanthanoid)
Dysprosium (lanthanoid)
Holmium (lanthanoid)
Erbium (lanthanoid)
Thulium (lanthanoid)
Ytterbium (lanthanoid)
Lutetium (lanthanoid)
Hafnium (transition metal)
Tantalum (transition metal)
Tungsten (transition metal)
Rhenium (transition metal)
Osmium (transition metal)
Iridium (transition metal)
Platinum (transition metal)
Gold (transition metal)
Mercury (transition metal)
Thallium (post-transition metal)
Lead (post-transition metal)
Bismuth (post-transition metal)
Polonium (post-transition metal)
Astatine (halogen)
Radon (noble gas)
Francium (alkali metal)
Radium (alkaline earth metal)
Actinium (actinoid)
Thorium (actinoid)
Protactinium (actinoid)
Uranium (actinoid)
Neptunium (actinoid)
Plutonium (actinoid)
Americium (actinoid)
Curium (actinoid)
Berkelium (actinoid)
Californium (actinoid)
Einsteinium (actinoid)
Fermium (actinoid)
Mendelevium (actinoid)
Nobelium (actinoid)
Lawrencium (actinoid)
Rutherfordium (transition metal)
Dubnium (transition metal)
Seaborgium (transition metal)
Bohrium (transition metal)
Hassium (transition metal)
Meitnerium (unknown chemical properties)
Darmstadtium (unknown chemical properties)
Roentgenium (unknown chemical properties)
Copernicium (transition metal)
Ununtrium (unknown chemical properties)
Flerovium (unknown chemical properties)
Ununpentium (unknown chemical properties)
Livermorium (unknown chemical properties)
Ununseptium (unknown chemical properties)
Ununoctium (unknown chemical properties)
Gd

Cm

(Uqo)
americiumcuriumberkelium
ପରମାଣୁ କ୍ରମାଙ୍କ (Z)96
ଶ୍ରେଣୀ, ବ୍ଳକgroup n/a, f-block
ପର୍ଯ୍ୟାୟperiod 7
ମୌଳିକ ପ୍ରକାର  actinide
ମାନକ ପରମାଣବିକ ଓଜନ (Ar)(247)
ଇଲେକ୍‌ଟ୍ରୋନ୍ ବିନ୍ୟାସ[Rn] 5f7 6d1 7s2
per shell
2, 8, 18, 32, 25, 9, 2
ଭୌତିକ ଗୁଣ
ଅବସ୍ଥାsolid
ଗଳନାଙ୍କ1613 K ​(1340 °C, ​2444 °F)
ସ୍ଫୁଟନାଙ୍କ3383 K ​(3110 °C, ​5630 °F)
Density near r.t.13.51 g/cm3
Heat of fusion? 15 kJ/mol
 pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 1788 1982        
Atomic properties
Oxidation states4, 3 (amphoteric oxide)
ElectronegativityPauling scale: 1.3
Atomic radiusempirical: 174 pm
Covalent radius169±3 pm
Miscellanea
Crystal structurehexagonal close-packed (hcp)
Hexagonal close-packed crystal structure for curium
Electrical resistivity1.25[] µ Ω·m
Magnetic orderingantiferromagnetic→paramagnetic transition at 52 K[]
CAS Number7440-51-9
ଇତିହାସ
ଆବିଷ୍କାରGlenn T. Seaborg, Ralph A. James, Albert Ghiorso (1944)
Most stable isotopes of curium
iso NA half-life DM DE (MeV) DP
242Cm trace 160 d SF - -
α 6.1 238Pu
243Cm trace 29.1 y α 6.169 239Pu
ε 0.009 243Am
SF - -
244Cm trace 18.1 y SF - -
α 5.8048 240Pu
245Cm trace 8500 y SF - -
α 5.623 241Pu
246Cm trace 4730 y α 5.475 242Pu
SF - -
247Cm trace 1.56×107 y α 5.353 243Pu
248Cm trace 3.40×105 y α 5.162 244Pu
SF - -
250Cm syn 9000 y SF - -
α 5.169 246Pu
β 0.037 250Bk
| references

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  1. ୧.୦ ୧.୧ 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.

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