94
244
Pu
Plutonium

Plutonium

19.7
244
[Rn] 5f67s2
238Pu, 239Pu, 240Pu
7
f
94
2, 8, 18, 32, 24, 8, 2
581.421
Pu
19.7
640°C, 1184°F, 913 K
3228°C, 5842°F, 3501 K
Glenn Seaborg and colleagues
1940
7440-07-5
22382
More Information
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Atomic Data

Atomic Radiues, Non-bonded (A): 2.43
Electron Affinity (kJ mol-1): Unknown
Covalent Radiues (A): 1.80
Electronegativity (Pauling Scale): 1.3
Ionisation Energies (kJ mol-1) 1st 2nd 3rd 4th 5th 6th 7th 8th
581.421 1080.6 - - - - - -

Oxidation States and Isotopes

Common oxidation states 1
Isotope Atomic Mass Natural Abundance Half Life Mode of Decay
239Pu 238.050 - 87.7 y α
4.75 x 1010 y sf
240Pu 239.052 - 2.410 x 104 y α
8 x 105 y sf
241Pu 240.054 - 6.56 x 103 y α
1.14 x 1011 y sf
242Pu 241.057 - 14.33 y β-
α
> 6 x 1016 y sf
24Pu 242.059 - 3.75 x 105 y α
6.77 x 1010 y sf
238Pu 244.064 8.12 x 107 y α
6.6 x 1010 y sf
 

Pressure and Temperature Data

Specific Heat Capacity: Unknown
Shear Modulus: Unknown
Young Modulus: Unknown
Bulk Modulus: Unknown
Pressure 400k Pressure 600k Pressure 800k Pressure 1000k Pressure 1200k Pressure 1400k Pressure 1600k Pressure 1800k Pressure 2000k Pressure 2200k Pressure 2400k
- - - 1.03 x 10-8 6.17 x 10-6 0.000594 0.0182 0.262 2.2 12.6 Unknown

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