Rb
Rubidium is a highly reactive alkali metal that ignites spontaneously in air.
የፊዚክስ ባህሪያት
| አቶሚክ | 85.468 u |
| ብዛት | 1.532 g/cm³ |
| የቀለም አማራጭ | 312.46 K |
| የሙቀት መጠኑ፦ | 961.0 K |
| ቅርጽ | Silvery-white metallic |
| የክፍሉ ወቅት | ቀጥ ያለ |
የኬሚካል ባህሪያት
| ሴኮንዶች | 0.82 (ፒየር) |
| ፊደል ሠሌዳው፦ | 403.0 kJ/mol |
| ፊደል ሠሌዳው፦ | 46.9 kJ/mol |
| መተላለፊያ | +1 |
የፊደል ቅርጽ ምርጫዎች
| የኤሌክትሮን ማስተካከያ | [Kr] 5s1 |
| አቶሚክ | 248.0 pm |
| ሬዲየስ | 220.0 pm |
| ቫን ዴር ዋልስ | 303.0 pm |
መከፈት
| የተገኘው በ | Robert Bunsen, Gustav Kirchhoff |
| የምርምር ዓመት | 1861 |
| ቦታ | Heidelberg, Germany |
| ስም፦ (_N) | Latin 'rubidus' meaning deep red, from its bright red spectral lines |
ስለ Rubidium
Rubidium is a soft, silvery-white metallic element that is the second most electropositive element. It ignites in air and reacts violently with water. It is used in atomic clocks due to its precise spectral lines.
ፕሮግራሞች
Atomic clocks, specialty glass, fireworks (purple color), photocells, and medical imaging.
ሐቅ
Rubidium atomic clocks are so precise they would not lose a second in several hundred million years.
ሴኮንዶች
| ብዛት | ብዛት | አራተኛ | ቋሚ |
| 85 | 0.7217% | - | አዎ |
| 87 | 0.2783% | 49.23 billion years | አዎ |
የኤሌክትሮን ማስተካከያ
[Kr] 5s1