Cl
Chlorine is a highly reactive halogen gas used widely for water purification.
Physical Properties
| পদাৰ্থ | 35.45 u |
| ঘনত্ব | 0.003214 g/cm³ |
| Melting Point | 171.6 K |
| উত্তাপৰ বিন্দু | 239.11 K |
| আকৃতি | Pale yellow-green gas |
| State at Room Temp | Gas |
রাসায়নিক বৈশিষ্ট্যসমূহ
| ইলেকট্ৰোনেজেটিভিটি | 3.16 (Pauling) |
| 1- তম আইনাইজেশন শক্তি | 1251.2 kJ/mol |
| ইলেকট্ৰন | 349.0 kJ/mol |
| Oxidation States | -1, +1, +2, +3, +4, +5, +6, +7 |
প্ৰমাণপত্ৰৰ বৈশিষ্ট্য
| ইলেকট্ৰন | [Ne] 3s2 3p5 |
| পৰমাণু | 79.0 pm |
| কোভালেন্ট বেৰিয়াড | 102.0 pm |
| Van der Waals Radius | 175.0 pm |
ডিস্কভাৰী
| আবিষ্কাৰ কৰা হৈছে | Carl Wilhelm Scheele |
| আবিষ্কাৰৰ বছৰ | 1774 |
| অৱস্থান | Uppsala, Sweden |
| Named After | Greek 'chloros' meaning pale green |
বিষয়ে Chlorine
Chlorine is a yellow-green gas with a pungent odor. It is the third most abundant element in the ocean. Chlorine water treatment has saved countless lives from waterborne diseases. Combined with sodium, it forms table salt.
Uses & Applications
Water purification, PVC plastic production, bleach, disinfectants, hydrochloric acid, and pesticides.
মজা কথা
The introduction of chlorine water treatment in the early 1900s virtually eliminated typhoid and cholera from treated water supplies.
আইসোটোপ
| Mass Number | অভাৱ | হাফ-লাইফ | Stable |
| 35 | 0.7576% | - | Yes |
| 37 | 0.2424% | - | Yes |
ইলেকট্ৰন
[Ne] 3s2 3p5