Hg
Mercury is the only metallic element liquid at standard temperature and pressure.
Physical Properties
| পদাৰ্থ | 200.59 u |
| ঘনত্ব | 13.5336 g/cm³ |
| Melting Point | 234.32 K |
| উত্তাপৰ বিন্দু | 629.88 K |
| আকৃতি | Silvery metallic liquid |
| State at Room Temp | Liquid |
রাসায়নিক বৈশিষ্ট্যসমূহ
| ইলেকট্ৰোনেজেটিভিটি | 2.0 (Pauling) |
| 1- তম আইনাইজেশন শক্তি | 1007.1 kJ/mol |
| ইলেকট্ৰন | -48.0 kJ/mol |
| Oxidation States | +1, +2 |
প্ৰমাণপত্ৰৰ বৈশিষ্ট্য
| ইলেকট্ৰন | [Xe] 4f14 5d10 6s2 |
| পৰমাণু | 151.0 pm |
| কোভালেন্ট বেৰিয়াড | 132.0 pm |
| Van der Waals Radius | 155.0 pm |
ডিস্কভাৰী
| আবিষ্কাৰ কৰা হৈছে | Known since antiquity |
| অৱস্থান | Various (ancient Egypt, China) |
| Named After | Named after the planet Mercury; symbol Hg from Latin 'hydrargyrum' meaning liquid silver |
বিষয়ে Mercury
Mercury is a heavy, silvery-white liquid metal known since ancient times. Mercury and its compounds are highly toxic, causing neurological damage. Dental amalgam containing mercury was once common but has been largely phased out due to health and environmental concerns.
Uses & Applications
Fluorescent lighting, scientific instruments (being phased out), artisanal gold mining, and industrial chemical processes.
মজা কথা
Mercury is so dense that a cannonball would float on its surface.
আইসোটোপ
| Mass Number | অভাৱ | হাফ-লাইফ | Stable |
| 198 | 0.0997% | - | Yes |
| 199 | 0.1687% | - | Yes |
| 200 | 0.231% | - | Yes |
| 202 | 0.2986% | - | Yes |
ইলেকট্ৰন
[Xe] 4f14 5d10 6s2