Br
Bromine is one of only two elements liquid at room temperature.
Physical Properties
| الكتلة الذرية | 79.904 u |
| الكثافة | 3.1028 g/cm³ |
| Melting Point | 265.8 K |
| نقطة الغليان | 332.0 K |
| المظهر | Reddish-brown fuming liquid |
| State at Room Temp | Liquid |
الخواص الكيميائية
| السالبية الكهربائية | 2.96 (Pauling) |
| طاقة التأين الأولى | 1139.9 kJ/mol |
| القرب الإلكتروني | 324.6 kJ/mol |
| Oxidation States | -1, +1, +3, +4, +5, +7 |
الخصائص الذرية
| تشكيل الإلكترون | [Ar] 3d10 4s2 4p5 |
| نصف قطر الذرة | 94.0 pm |
| نصف قطر التكافؤ | 120.0 pm |
| Van der Waals Radius | 185.0 pm |
اكتشاف
| اكتشفها | Antoine Jerome Balard, Carl Jacob Lowig |
| سنة الاكتشاف | 1826 |
| الموقع | Montpellier, France |
| Named After | Greek 'bromos' meaning stench |
عن Bromine
Bromine is a fuming red-brown liquid, one of only two elements liquid under standard conditions. It has a strong, unpleasant odor, is toxic and corrosive, and is found mainly in ocean water.
Uses & Applications
Flame retardants, water purification, pharmaceuticals, agricultural pesticides, and photography chemicals.
حقيقة مضحكة
Bromine is the only nonmetal element liquid at room temperature, and its name comes from Greek for 'stench'.
النظائر
| Mass Number | الوفرة | نصف العمر | Stable |
| 79 | 0.5069% | - | Yes |
| 81 | 0.4931% | - | Yes |
تشكيل الإلكترون
[Ar] 3d10 4s2 4p5