Po
Polonium
ፋይል (_F) 84 · 208.98243 u
Polonium is a highly radioactive element discovered by the Curies.
የፊዚክስ ባህሪያት
| አቶሚክ | 208.98243 u |
| ብዛት | 9.32 g/cm³ |
| የቀለም አማራጭ | 527.0 K |
| የሙቀት መጠኑ፦ | 1235.0 K |
| ቅርጽ | Silvery metallic |
| የክፍሉ ወቅት | ቀጥ ያለ |
የኬሚካል ባህሪያት
| ሴኮንዶች | 2.0 (ፒየር) |
| ፊደል ሠሌዳው፦ | 812.1 kJ/mol |
| ፊደል ሠሌዳው፦ | 183.3 kJ/mol |
| መተላለፊያ | -2, +2, +4, +6 |
የፊደል ቅርጽ ምርጫዎች
| የኤሌክትሮን ማስተካከያ | [Xe] 4f14 5d10 6s2 6p4 |
| አቶሚክ | 168.0 pm |
| ሬዲየስ | 140.0 pm |
| ቫን ዴር ዋልስ | 197.0 pm |
መከፈት
| የተገኘው በ | Marie Curie, Pierre Curie |
| የምርምር ዓመት | 1898 |
| ቦታ | Paris, France |
| ስም፦ (_N) | Named after Poland, the homeland of Marie Curie |
ስለ Polonium
Polonium is extremely radioactive with no stable isotopes. A millionth of a gram can be lethal if ingested. Polonium-210 generates significant heat from alpha radiation.
ፕሮግራሞች
Static eliminators, neutron sources, heat sources for space satellites, and nuclear triggers.
ሐቅ
Polonium-210 was used to assassinate former Russian spy Alexander Litvinenko in London in 2006.
ሴኮንዶች
| ብዛት | ብዛት | አራተኛ | ቋሚ |
| 208 | - | 2.898 years | አዎ |
| 209 | - | 125.2 years | አዎ |
| 210 | - | 138.376 days | አዎ |
የኤሌክትሮን ማስተካከያ
[Xe] 4f14 5d10 6s2 6p4