Yttrium
| Symbol | Y |
| Atomic Number | 39 |
| Atomic Mass | 88.906 g.mol -1 |
| Discovered by | Johan Gadolin in 1794 |
| Group | 3 | Melting point | 1522°C, 2772°F, 1795 K |
| Period | 5 | Boiling point | 3345°C, 6053°F, 3618 K |
| Block | d | Density (g cm−3) | 4.47 |
| Atomic number | 39 | Relative atomic mass | 88.906 |
| State at 20°C | Solid | Key isotopes | 89Y |
| Electron configuration | [Kr] 4d15s2 | CAS number | 7440-65-5 |
| ChemSpider ID | 22429 | ChemSpider is a free chemical structure database. | |
- Yttrium is a chemical element in the periodic table with atomic number 39, discovered by Johan Gadolin in the year 1794.
- Mira is a type of giant red star where most of the yttrium is concentrated in the solar system.
- Used in production of synthetic garments and yttrium iron garments.
- Used in manufacture of infrared layers.
- Acts as a solid electrolyte and as an oxygen sensor in automobile exhaust systems.
- Used in manufacture of superconductors.
- It is helpful in curing many cancers like lymphoma, leukemia and bone cancers.
- It is a soft silvery metal with less electronegativity.
- It is a very rare metal.
- It never found as a free element in the Earth’s crust but often found in combination with lanthanide. It is also found in uranium ores.
- It has no biological role and its soluble salts are little toxic for living beings.
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