# ୟୁରାନିଅମ

Uranium,  92U|  |
| ସାଧାରଣ ଗୁଣ |
| ନାମ, ପ୍ରତୀକ | uranium, U |
| Appearance | silvery gray metallic; corrodes to a spalling black oxide coat in air |
| ଉଚ୍ଚାରଣ | /jʊˈreɪniəm/ *ew-**RAY**-nee-əm*  |
| Uranium in the periodic table |
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 | Nd ↑ **U** ↓ (Uqq) |
| protactinium ← **uranium** → neptunium |

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| ପରମାଣୁ କ୍ରମାଙ୍କ (*Z*) | 92 |
| ଶ୍ରେଣୀ, ବ୍ଳକ | group n/a, f-block  |
| ପର୍ଯ୍ୟାୟ | period 7  |
| ମୌଳିକ ପ୍ରକାର |   actinide |
| ମାନକ ପରମାଣବିକ ଓଜନ (±) (*A*r) | 238.02891(3)  |
| ଇଲେକ୍‌ଟ୍ରୋନ୍ ବିନ୍ୟାସ | [Rn] 5f3 6d1 7s2  |
| per shell | 2, 8, 18, 32, 21, 9, 2 |
| ଭୌତିକ ଗୁଣ |
| ଅବସ୍ଥା | solid |
| ଗଳନାଙ୍କ | 1405.3 K ​(1132.2 °C, ​2070 °F)  |
| ସ୍ଫୁଟନାଙ୍କ | 4404 K ​(4131 °C, ​7468 °F)  |
| Density near r.t. | 19.1 g/cm3 |
| when liquid, at m.p. | 17.3 g/cm3  |
| Heat of fusion | 9.14 kJ/mol  |
| Heat of  | 417.1 kJ/mol  |
| Molar heat capacity | 27.665 J/(mol·K)  |
| **pressure**

|  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- |
| P (Pa) | 1 | 10 | 100 | 1 k | 10 k | 100 k |
| at T (K) | 2325 | 2564 | 2859 | 3234 | 3727 | 4402 |

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| Atomic properties |
| Oxidation states | **6**, 5, 4, 3, 2, 1 (weakly basic oxide) |
| Electronegativity | Pauling scale: 1.38  |
| Atomic radius | empirical: 156 pm  |
| Covalent radius | 196±7 pm  |
| Van der Waals radius | 186 pm  |
| Miscellanea |
| Crystal structure |  ​orthorhombic |
| Speed of sound  thin rod | 3155 m/s (at 20 °C)  |
| Thermal expansion | 13.9 µm/(m·K) (at 25 °C)  |
| Thermal conductivity | 27.5 W/(m·K)  |
| Electrical resistivity | 0.280 µ Ω·m (at 0 °C)  |
| Magnetic ordering | paramagnetic  |
| Young's modulus | 208 GPa  |
| Shear modulus | 111 GPa  |
| Bulk modulus | 100 GPa  |
| Poisson ratio | 0.23  |
| CAS Number | 7440-61-1  |
| ଇତିହାସ |
| ଆବିଷ୍କାର | Martin Heinrich Klaproth (1789) |
| First isolation | Eugène-Melchior Péligot (1841) |
| Most stable isotopes of uranium |
|

| iso | NA | half-life | DM | DE (MeV) | DP |
| --- | --- | --- | --- | --- | --- |
| 232U | trace | 68.9 y | SF | - | — |
| α | 5.414 | 228Th |
| 233U | trace | 1.592×105 y | SF | 197.93 | — |
| α | 4.909 | 229Th |
| 234U | 0.005% | 2.455×105 y | SF | 197.78 | — |
| α | 4.859 | 230Th |
| 235U | 0.720% | 7.04×108 y | SF | 202.48 | — |
| α | 4.679 | 231Th |
| 236U | trace | 2.342×107 y | SF | 201.82 | — |
| α | 4.572 | 232Th |
| 238U | 99.274% | 4.468×109 y | α | 4.270 | 234Th |
| SF | 205.87 | — |
| β−β− | - | 238Pu |

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**ୟୁରାନିଅମ** ହେଉଛି ଏକ ରାସାୟନିକ ମୌଳିକ ଯାହାର ପ୍ରତୀକ U ଓ ପରମାଣୁ କ୍ରମାଙ୍କ ୯୨ ।

## ଧର୍ମ

### ଭୌତିକ

### ରସାୟନିକ

### ସମସ୍ଥାନିକ

## ଉପସ୍ଥିତି

## ଗଠନ

## ଉତ୍ପାଦନ

## ବ୍ୟବହାର

## ଆହୁରି ଦେଖନ୍ତୁ

## ଟୀକା

## ଆଧାର

*Full reference information for multi-page works cited*

* Emsley, John (2001). "Uranium". *Nature's Building Blocks: An A to Z Guide to the Elements*. Oxford: Oxford University Press. pp. 476–482. ISBN 0-19-850340-7. `{{cite book}}`: Invalid `|ref=harv` (help)
* Seaborg, Glenn T. (1968). "Uranium". *The Encyclopedia of the Chemical Elements*. Skokie, Illinois: Reinhold Book Corporation. pp. 773–786. LCCCN 68-29938. `{{cite book}}`: Invalid `|ref=harv` (help)

## ବାହାର ଲିଙ୍କ

* Uranium Resources and Nuclear Energy Archived 2013-05-06 at the Wayback Machine.
* U.S. EPA: Radiation Information for Uranium
* "What is Uranium?" from World Nuclear Association Archived 2013-02-24 at the Wayback Machine.
* Nuclear fuel data and analysis from the U.S. Energy Information Administration
* Current market price of uranium
* World Uranium deposit maps
* Annotated bibliography for uranium from the Alsos Digital Library Archived 2005-12-14 at the Wayback Machine.
* NLM Hazardous Substances Databank—Uranium, Radioactive
* Mining Uranium at Namibia's Langer Heinrich Mine Archived 2014-02-21 at the Wayback Machine.
* World Nuclear News
* ATSDR Case Studies in Environmental Medicine: Uranium Toxicity Archived 2021-07-28 at the Wayback Machine. U.S. Department of Health and Human Services
* Real Time Uranium Prices
* Uranium at *The Periodic Table of Videos* (University of Nottingham)