Fe
Iron is the most widely used metal and the most abundant element on Earth by mass.
Physical Properties
| পদাৰ্থ | 55.845 u |
| ঘনত্ব | 7.874 g/cm³ |
| Melting Point | 1811.0 K |
| উত্তাপৰ বিন্দু | 3134.0 K |
| আকৃতি | Lustrous metallic with grayish tinge |
| State at Room Temp | Solid |
রাসায়নিক বৈশিষ্ট্যসমূহ
| ইলেকট্ৰোনেজেটিভিটি | 1.83 (Pauling) |
| 1- তম আইনাইজেশন শক্তি | 762.5 kJ/mol |
| ইলেকট্ৰন | 14.6 kJ/mol |
| Oxidation States | +2, +3, +4, +5, +6 |
প্ৰমাণপত্ৰৰ বৈশিষ্ট্য
| ইলেকট্ৰন | [Ar] 3d6 4s2 |
| পৰমাণু | 126.0 pm |
| কোভালেন্ট বেৰিয়াড | 132.0 pm |
| Van der Waals Radius | 194.0 pm |
ডিস্কভাৰী
| আবিষ্কাৰ কৰা হৈছে | Known since antiquity |
| অৱস্থান | Various |
| Named After | Anglo-Saxon 'iren'; symbol Fe from Latin 'ferrum' |
বিষয়ে Iron
Iron is a lustrous, ductile, malleable, silver-gray metal and the most used of all metals. It forms much of Earth's core. Iron has been used by humans for at least 5,000 years. Hemoglobin uses iron to transport oxygen in blood.
Uses & Applications
Steel production, construction, automobiles, machinery, tools, cast iron cookware, and dietary supplements.
মজা কথা
Iron is literally in your blood -- hemoglobin uses iron atoms to carry oxygen. The average adult body contains about 4 grams of iron.
আইসোটোপ
| Mass Number | অভাৱ | হাফ-লাইফ | Stable |
| 54 | 0.05845% | - | Yes |
| 56 | 0.91754% | - | Yes |
| 57 | 0.02119% | - | Yes |
| 58 | 0.00282% | - | Yes |
ইলেকট্ৰন
[Ar] 3d6 4s2