Lr
Lawrencium is the last actinide with an anomalous electron configuration.
የፊዚክስ ባህሪያት
| አቶሚክ | 266.12 u |
| ብዛት | 15.6 g/cm³ |
| የቀለም አማራጭ | 1900.0 K |
| ቅርጽ | Metallic (predicted) |
| የክፍሉ ወቅት | ቀጥ ያለ |
የኬሚካል ባህሪያት
| ሴኮንዶች | 1.3 (ፒየር) |
| ፊደል ሠሌዳው፦ | 470.0 kJ/mol |
| ፊደል ሠሌዳው፦ | -30.04 kJ/mol |
| መተላለፊያ | +3 |
የፊደል ቅርጽ ምርጫዎች
| የኤሌክትሮን ማስተካከያ | [Rn] 5f14 7s2 7p1 |
መከፈት
| የተገኘው በ | Albert Ghiorso, Torbjorn Sikkeland, Almon Larsh, Robert M. Latimer |
| የምርምር ዓመት | 1961 |
| ቦታ | Berkeley, California, USA |
| ስም፦ (_N) | Named after Ernest O. Lawrence, inventor of the cyclotron |
ስለ Lawrencium
Lawrencium is the last element in the actinide series. Its last electron goes into a 7p orbital rather than 6d, confirmed experimentally in 2015.
ፕሮግራሞች
No practical applications. Scientific research only.
ሐቅ
Lawrencium's electron goes into a 7p orbital rather than 6d -- confirmed experimentally in 2015, a surprise for the actinides.
ሴኮንዶች
| ብዛት | ብዛት | አራተኛ | ቋሚ |
| 260 | - | 2.7 minutes | አዎ |
| 262 | - | 3.6 hours | አዎ |
የኤሌክትሮን ማስተካከያ
[Rn] 5f14 7s2 7p1