S
Sulfur is a bright yellow nonmetal known since ancient times, essential for life.
Physical Properties
| الكتلة الذرية | 32.06 u |
| الكثافة | 2.067 g/cm³ |
| Melting Point | 388.36 K |
| نقطة الغليان | 717.87 K |
| المظهر | Bright yellow crystalline solid |
| State at Room Temp | Solid |
الخواص الكيميائية
| السالبية الكهربائية | 2.58 (Pauling) |
| طاقة التأين الأولى | 999.6 kJ/mol |
| القرب الإلكتروني | 200.41 kJ/mol |
| Oxidation States | -2, -1, +1, +2, +3, +4, +5, +6 |
الخصائص الذرية
| تشكيل الإلكترون | [Ne] 3s2 3p4 |
| نصف قطر الذرة | 88.0 pm |
| نصف قطر التكافؤ | 105.0 pm |
| Van der Waals Radius | 180.0 pm |
اكتشاف
| اكتشفها | Known since antiquity |
| الموقع | Various |
| Named After | Latin 'sulphur' or Sanskrit 'sulvere' |
عن Sulfur
Sulfur is a bright yellow crystalline solid at room temperature and one of the few elements found in pure form in nature. Known since antiquity as 'brimstone,' sulfur is essential for life in the amino acids cysteine and methionine.
Uses & Applications
Sulfuric acid production, vulcanization of rubber, fungicides, gunpowder, matches, and fertilizers.
حقيقة مضحكة
Sulfur is sometimes called 'brimstone,' and volcanic vents releasing sulfur compounds create the 'rotten egg' smell.
النظائر
| Mass Number | الوفرة | نصف العمر | Stable |
| 32 | 0.9499% | - | Yes |
| 33 | 0.0075% | - | Yes |
| 34 | 0.0425% | - | Yes |
| 36 | 0.0001% | - | Yes |
تشكيل الإلكترون
[Ne] 3s2 3p4