Plùtòníọ̀m tabi Plutonium je is a synthetic apilese kemika alasopo teyinuraniom alagbararadio to ni ami-idamo kemika Pu ati nomba atomu 94.
Quick facts Plutonium, Pípè ...
Plutonium, 94Pu |
| Plutonium |
|---|
| Pípè | /pluːˈtoʊniəm/ (ploo-TOH-nee-əm) |
|---|
| Ìhànsójú | silvery white |
|---|
| nọ́mbà ìsújọ | [244] |
|---|
| Plutonium ní orí tábìlì àyè |
|---|
|
|
| Nọ́mbà átọ̀mù (Z) | 94 |
|---|
| Ẹgbẹ́ | group n/a |
|---|
| Àyè | àyè 7 |
|---|
| Àdìpọ̀ | Àdìpọ̀-f |
|---|
| Ẹ̀ka ẹ́límẹ́ntì | Actinide |
|---|
| Ìtò ẹ̀lẹ́ktrọ́nù | [Rn] 5f6 7s2 |
|---|
| Iye ẹ̀lẹ́ktrọ́nù lórí ìpele kọ̀ọ̀kan | 2, 8, 18, 32, 24, 8, 2 |
|---|
| Àwọn ohun ìní ara |
|---|
| Ìfarahàn at STP | solid |
|---|
| Ìgbà ìyọ́ | 912.5 K (639.4 °C, 1182.9 °F) |
|---|
| Ígbà ìhó | 3505 K (3228 °C, 5842 °F) |
|---|
| Kíki (near r.t.) | 19.816 g/cm3 |
|---|
| when liquid (at m.p.) | 16.63 g/cm3 |
|---|
| Heat of fusion | 2.82 kJ/mol |
|---|
| Heat of | 333.5 kJ/mol |
|---|
| Molar heat capacity | 35.5 J/(mol·K) |
|---|
pressure
| P (Pa) |
1 |
10 |
100 |
1 k |
10 k |
100 k |
| at T (K) |
1756 |
1953 |
2198 |
2511 |
2926 |
3499 |
|
| Atomic properties |
|---|
| Oxidation states | +2, +3, +4, +5, +6, +7 Àdàkọ:Infobox element/symbol-to-oxidation-state/comment |
|---|
| Electronegativity | Pauling scale: 1.28 |
|---|
| Atomic radius | empirical: 159 pm |
|---|
| Covalent radius | 187±1 pm |
|---|
Color lines in a spectral rangeSpectral lines of plutonium |
| Other properties |
|---|
| Natural occurrence | from decay |
|---|
| Crystal structure | monoclinic |
|---|
| Speed of sound | 2260 m/s |
|---|
| Thermal expansion | 46.7 µm/(m·K) (at 25 °C) |
|---|
| Thermal conductivity | 6.74 W/(m·K) |
|---|
| Electrical resistivity | 1.460 µ Ω·m (at 0 °C) |
|---|
| Magnetic ordering | paramagnetic[1] |
|---|
| Young's modulus | 96 GPa |
|---|
| Shear modulus | 43 GPa |
|---|
| Poisson ratio | 0.21 |
|---|
| CAS Number | 7440-07-5 |
|---|
| Main isotopes of plutonium |
|---|
| Isotope |
Abundance |
Half-life (t1/2) |
Decay mode |
Product |
| 238Pu |
syn |
88 y |
SF |
204.66[2] |
— |
| α |
5.5 |
234U |
| 239Pu |
trace |
2.41 × 104 y |
SF |
207.06 |
— |
| α |
5.157 |
235U |
| 240Pu |
syn |
6.5 × 103 y |
SF |
205.66 |
— |
| α |
5.256 |
236U |
| 241Pu |
syn |
14 y |
β− |
0.02078 |
241Am |
| SF |
210.83 |
— |
| 242Pu |
syn |
3.73 × 105 y |
SF |
209.47 |
— |
| α |
4.984 |
238U |
| 244Pu |
trace |
8.08 × 107 y |
α |
4.666 |
240U |
| SF |
|
— |
|
Àdàkọ:Category-inline | references |
Close