Hafnium
id:
hafnium-209-74461
title:
Hafnium
text:
Hafnium is a chemical element; it has symbol Hf and atomic number 72. A lustrous, silvery gray, tetravalent transition metal, hafnium chemically resembles zirconium and is found in many zirconium minerals. Its existence was predicted by Dmitri Mendeleev in 1869, though it was not identified until 1922, by Dirk Coster and George de Hevesy. Hafnium is named after Hafnia, the Latin name for Copenhagen, where it was discovered. Hafnium is used in filaments and electrodes. Some semiconductor fabricat
brand slug:
wiki
category slug:
encyclopedia
description:
Chemical element with atomic number 72 (Hf)
original url:
https://en.wikipedia.org/wiki/Hafnium
date created:
2001-05-17T14:40:09Z
date modified:
2024-09-11T15:41:33Z
main entity:
{"identifier":"Q1119","url":"https://www.wikidata.org/entity/Q1119"}
image:
fields total:
13
integrity:
15