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 |
---|
Spectral 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 |
---|
|
Àdàkọ:Category-inline | references |
Àdàkọ:Sandbox other
References
This reference list does not appear in the article.