hafnium

Hafnium is a chemical element with the symbol Hf and atomic number 72. It is a lustrous, silvery-white, tetravalent transition metal in the periodic table. Hafnium is a rare and expensive metal, often used in high-temperature applications. It is named after Copenhagen, where it was discovered. The scientist studied the properties of hafnium in the lab. The new alloy contained a small amount of hafnium. Hafnium is used in high-temperature applications, such as in the production of semiconductors and in the manufacture of high-temperature ceramics. It is also used in the production of nuclear reactors and in the manufacture of high-temperature superconductors. Hafnium is a valuable metal, but it is difficult to extract and process due to its high melting point and reactivity. Despite these challenges, hafnium is an important material in many industries, and its unique properties make it an essential component in many applications.

A chemical element with the symbol Hf and atomic number 72. It is a lustrous, silvery-white, tetravalent transition metal in the periodic table.

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Etymology of hafnium

Hafnium was discovered in 1923 by Danish chemist Dirk Coster and Swedish physicist Georg de Hevesy. They isolated the element from a sample of zirconium ore. The name 'hafnium' comes from the Danish word 'hafn', which means 'harbor' or 'cove', referring to the city of Copenhagen, where the element was discovered.

Usage notes

Hafnium is a rare and expensive metal, often used in high-temperature applications. It is named after Copenhagen, where it was discovered.

Synonyms for hafnium

Rhymes with hafnium