Pu
Plutonium
Chikamu 94 · 244.0642 u
Actinide
f-block
Chikamu 7
_Kukanganisa: at RT
Radioactive
t½ 80.8 million years
Synthetic
Wikipedia →
Plutonium inoshandiswa muzvirongwa zvenyukireya uye sechikafu chekufambisa masondhi epasi.
Maitiro ekushandisa
| Atomic radius: | 244.0642 u |
| Kuomarara | 19.84 g/cm³ |
| Kutonhora Point | 912.5 K |
| Kutonhora Point | 3501.0 K |
| Kuoneka | Silvery- white, tarnishes kune gray |
| State at Room Temp | _Kukanganisa: |
Chemical zvinhu
| Electronegativity | 1.28 (Pauling) |
| 1st Ionization Energy | 584.7 kJ/mol |
| Electronegativity: | -48.33 kJ/mol |
| Oxygen | +3, +4, +5, +6, +7 |
Atomic Properties
| Kuisa Kugadzirisa | [Rn] 5f6 7s2 |
| Atomic radius: | 159.0 pm |
| Van der Waals radius | 243.0 pm |
Discovery
| Yakawanikwa ne | Glenn T. Seaborg, Arthur Wahl, Joseph W. Kennedy, Edwin McMillan |
| Kuonekwa kwegore | 1940 |
| _Panzvimbo: | Berkeley, California, USA |
| Akapihwa zita mushure me | Pluto |
Nezve Plutonium
Plutonium yakashandiswa mukutanga nuclear bvunzo (Trinity) uye Nagasaki bomu. Plutonium ine makumi maviri neshanu allotropes, kupfuura chero imwe chinhu. Plutonium-238 powers space probe RTGs.
Mashandisiro & Maapplication
Nuclear mishonga, reactor fuel (MOX), radioisotope thermoelectric generators, uye historical pacemaker mabhatiri.
Nhoroondo yemitambo
Plutonium ine makumi maviri nemana allotropes - kupfuura chero imwe chinhu - uye yakapihwa zita rekuti 'copper' panguva yeManhattan Project.
Isotopes
| Mamwe marudzi ezvinyorwa | Kuwanda | Half-Life | _Kuchengeta |
| 238 | - | 87.7 years | Hapana |
| 239 | - | 24,110 years | Hapana |
| 240 | - | 6,561 years | Hapana |
| 244 | - | 80.8 million years | Hapana |
Kuisa Kugadzirisa
[Rn] 5f6 7s2