Tl
Thallium is a highly toxic post-transition metal once used as rat poison.
የፊዚክስ ባህሪያት
| አቶሚክ | 204.38 u |
| ብዛት | 11.85 g/cm³ |
| የቀለም አማራጭ | 577.0 K |
| የሙቀት መጠኑ፦ | 1746.0 K |
| ቅርጽ | Silvery-white metallic |
| የክፍሉ ወቅት | ቀጥ ያለ |
የኬሚካል ባህሪያት
| ሴኮንዶች | 1.62 (ፒየር) |
| ፊደል ሠሌዳው፦ | 589.4 kJ/mol |
| ፊደል ሠሌዳው፦ | 19.2 kJ/mol |
| መተላለፊያ | +1, +3 |
የፊደል ቅርጽ ምርጫዎች
| የኤሌክትሮን ማስተካከያ | [Xe] 4f14 5d10 6s2 6p1 |
| አቶሚክ | 170.0 pm |
| ሬዲየስ | 145.0 pm |
| ቫን ዴር ዋልስ | 196.0 pm |
መከፈት
| የተገኘው በ | William Crookes |
| የምርምር ዓመት | 1861 |
| ቦታ | London, England |
| ስም፦ (_N) | Greek 'thallos' meaning green shoot, from its bright green spectral line |
ስለ Thallium
Thallium is a soft, silvery-white metal that is extremely toxic. It was historically used as a murder weapon due to its tastelessness and was banned as rat poison in many countries.
ፕሮግራሞች
Semiconductor devices, infrared optics, medical imaging, and specialized glass.
ሐቅ
Thallium was the 'poisoner's poison' -- tasteless, odorless, and its symptoms mimicked common illnesses.
ሴኮንዶች
| ብዛት | ብዛት | አራተኛ | ቋሚ |
| 203 | 0.2952% | - | አዎ |
| 205 | 0.7048% | - | አዎ |
የኤሌክትሮን ማስተካከያ
[Xe] 4f14 5d10 6s2 6p1