Po
Poloniyumu
Zosankha 84 · 208.98243 u
Post- Transition Metal
p-block
Mphindi 6
_Grupu 16
M'gululi pa RT
Radioactive
t½ 125.2 years
Wikipedia →
Polonium ndi chinthu chosagwira ntchito kwambiri chomwe chimapezeka ndi Curies.
Zochita za Fiziki
| Mafuta | 208.98243 u |
| Kuwala | 9.32 g/cm³ |
| Kutentha | 527.0 K |
| Kutentha | 1235.0 K |
| Kuoneka | Silvery metallic |
| State at Room Temp | M'gululi |
Makhalidwe a Chemical
| Electronegativity | 2.0 (Pauling) |
| 1st Ionization Energy | 812.1 kJ/mol |
| Electron Affinity | 183.3 kJ/mol |
| Oxygen | -2, +2, +4, +6 |
Zosankha
| Kusintha kwa ma electron | [Xe] 4f14 5d10 6s2 6p4 |
| Atomic radius | 168.0 pm |
| Covalent Radius | 140.0 pm |
| Kuwala kwa Van der Waals | 197.0 pm |
Kupeza
| Kupezeka ndi | Marie Curie, Pierre Curie |
| Kuzindikira chaka | 1898 |
| Malo | Paris, France |
| Analimbikitsidwa ndi | Anatchedwa pambuyo pa Poland, dziko la Marie Curie |
Za ine Poloniyumu
Polonium ndi kwambiri radioactive ndi palibe isotopes stable. a millionth ya gramu angathe kukhala lothamanga ngati ingested. Polonium-210 amatulutsa kutentha kwakukulu kuchokera ku alpha radiation.
Kugwiritsa ntchito & Maphunziro
Static eliminators, neutron zipangizo, zomangamanga kutentha kwa satellites space, ndi nuclear triggers.
Fun Facts
2006 - Ku Russia, Alexander Litvinenko, woyang'anira wa Russia, anaphedwa ndi polonium-210.
Isotopes
| Kukula kwa maselo | Kuchuluka | Half-Life | Wolimba |
| 208 | - | 2.898 years | Si |
| 209 | - | 125.2 years | Si |
| 210 | - | 138.376 days | Si |
Kusintha kwa ma electron
[Xe] 4f14 5d10 6s2 6p4