kids encyclopedia robot

Hafnium facts for kids

Kids Encyclopedia Facts
Hf-crystal bar
Hafnium Crystal Bar, mady by Crystal bar process

Hafnium is a chemical element. It has the chemical symbol Hf. It has the atomic number 72. It is a metal. It is silver gray. In chemistry it is placed in a group of metal elements named the transition metals. The chemistry of hafnium is similar to zirconium.

Hafnium is found in zirconium minerals.

Hafnium is used in tungsten alloys in filaments and electrodes. It is also used as a neutron absorber in control rods in nuclear power plants.

Related pages

Images for kids

  • Hafnium bits

    Pieces of hafnium

  • Hafnium(IV) oxide

    Hafnium dioxide

  • Zircão

    Zircon crystal (2×2 cm) from Tocantins, Brazil

  • Hafnium ebeam remelted

    Melted tip of a hafnium consumable electrode used in an electron beam remelting furnace, a 1 cm cube, and an oxidized hafnium electron beam-remelted ingot (left to right)

  • Hafnium pellets with a thin oxide layer

    Hafnium oxidized ingots which exhibit thin film optical effects.

  • Moseley step ladder

    Photographic recording of the characteristic X-ray emission lines of some elements

  • Apollo AS11-40-5866

    Hafnium-containing rocket nozzle of the Apollo Lunar Module in the lower right corner

See also

Kids robot.svg In Spanish: Hafnio para niños

kids search engine
All content from Kiddle encyclopedia articles (including the article images and facts) can be freely used under Attribution-ShareAlike license, unless stated otherwise. Cite this article:
Hafnium Facts for Kids. Kiddle Encyclopedia.