Symbol Y
Atomic Number 39
Atomic Mass 88.906 gmol -1
Discovered by Johan Gadolin in 1794

Table of Contents

Chemical Properties of Yttrium

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.

What is Yttrium?

  • 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.

Properties of Yttrium

  • Yttrium is the first d-block element in the fifth period.
  • It is a silver-coloured transition metal which is not found in the native state but exists in the combined state with lanthanides. It is also found in uranium ores
  • It is a very rare metal.
  • Lanthanides have variable valency but Yttrium is mostly trivalent.

Uses of Yttrium

  • Used in the production of synthetic garments and yttrium iron garments.
  • Acts as a solid electrolyte and as an oxygen sensor in automobile exhaust systems.
  • Used in the manufacture of superconductors.
  • Radioactive isotope Y-90 is helpful in curing many cancers like lymphoma, leukaemia and bone cancers.

Health Effects of Yttrium

  • It has no biological role and its soluble salts are a little toxic for living beings. It can cause lung diseases.


Test Your Knowledge On Yttrium!


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