Ac
Actinium is the namesake of the actinide series and glows blue in the dark.
የፊዚክስ ባህሪያት
| አቶሚክ | 227.02775 u |
| ብዛት | 10.07 g/cm³ |
| የቀለም አማራጭ | 1323.0 K |
| የሙቀት መጠኑ፦ | 3471.0 K |
| ቅርጽ | Silvery-white metallic |
| የክፍሉ ወቅት | ቀጥ ያለ |
የኬሚካል ባህሪያት
| ሴኮንዶች | 1.1 (ፒየር) |
| ፊደል ሠሌዳው፦ | 499.0 kJ/mol |
| ፊደል ሠሌዳው፦ | 33.77 kJ/mol |
| መተላለፊያ | +2, +3 |
የፊደል ቅርጽ ምርጫዎች
| የኤሌክትሮን ማስተካከያ | [Rn] 6d1 7s2 |
| አቶሚክ | 195.0 pm |
| ቫን ዴር ዋልስ | 260.0 pm |
መከፈት
| የተገኘው በ | Friedrich Oskar Giesel, Andre-Louis Debierne |
| የምርምር ዓመት | 1899 |
| ቦታ | Paris, France |
| ስም፦ (_N) | Greek 'aktis' meaning ray or beam |
ስለ Actinium
Actinium is a soft, silvery-white radioactive metal that glows blue due to its intense radioactivity ionizing the surrounding air. Actinium-225 is being researched for targeted alpha therapy against cancer.
ፕሮግራሞች
Neutron sources, cancer research (actinium-225), and thermoelectric generators.
ሐቅ
Actinium is so radioactive it visibly glows blue in the dark from ionizing the surrounding air.
ሴኮንዶች
| ብዛት | ብዛት | አራተኛ | ቋሚ |
| 225 | - | 10.0 days | አዎ |
| 227 | - | 21.772 years | አዎ |
የኤሌክትሮን ማስተካከያ
[Rn] 6d1 7s2