Xe
Xenon is a noble gas that can form chemical compounds, disproving the belief that noble gases are inert.
Physical Properties
| الكتلة الذرية | 131.29 u |
| الكثافة | 0.005887 g/cm³ |
| Melting Point | 161.36 K |
| نقطة الغليان | 165.03 K |
| المظهر | Colorless gas, blue glow in discharge |
| State at Room Temp | Gas |
الخواص الكيميائية
| السالبية الكهربائية | 2.6 (Pauling) |
| طاقة التأين الأولى | 1170.4 kJ/mol |
| القرب الإلكتروني | -77.0 kJ/mol |
| Oxidation States | +2, +4, +6, +8 |
الخصائص الذرية
| تشكيل الإلكترون | [Kr] 4d10 5s2 5p6 |
| نصف قطر الذرة | 108.0 pm |
| نصف قطر التكافؤ | 140.0 pm |
| Van der Waals Radius | 216.0 pm |
اكتشاف
| اكتشفها | William Ramsay, Morris Travers |
| سنة الاكتشاف | 1898 |
| الموقع | London, England |
| Named After | Greek 'xenon' meaning stranger or foreign |
عن Xenon
Xenon is a dense, odorless noble gas found in trace amounts in the atmosphere. It was the first noble gas to form true chemical compounds in 1962. Despite its rarity, xenon has many applications.
Uses & Applications
Ion propulsion engines, high-intensity arc lamps, medical anesthesia, and HID xenon headlights.
حقيقة مضحكة
Xenon was the first noble gas proven to form compounds in 1962, shattering the assumption that noble gases never react.
النظائر
| Mass Number | الوفرة | نصف العمر | Stable |
| 129 | 0.2644% | - | Yes |
| 131 | 0.2118% | - | Yes |
| 132 | 0.2689% | - | Yes |
| 134 | 0.1044% | - | Yes |
تشكيل الإلكترون
[Kr] 4d10 5s2 5p6