Hafnium facts for kids
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
Periodic table | |||||||||||||||||||||||||||||||||||||||||
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H | He | ||||||||||||||||||||||||||||||||||||||||
Li | Be | B | C | N | O | F | Ne | ||||||||||||||||||||||||||||||||||
Na | Mg | Al | Si | P | S | Cl | Ar | ||||||||||||||||||||||||||||||||||
K | Ca | Sc | Ti | V | Cr | Mn | Fe | Co | Ni | Cu | Zn | Ga | Ge | As | Se | Br | Kr | ||||||||||||||||||||||||
Rb | Sr | Y | Zr | Nb | Mo | Tc | Ru | Rh | Pd | Ag | Cd | In | Sn | Sb | Te | I | Xe | ||||||||||||||||||||||||
Cs | Ba | La | Ce | Pr | Nd | Pm | Sm | Eu | Gd | Tb | Dy | Ho | Er | Tm | Yb | Lu | Hf | Ta | W | Re | Os | Ir | Pt | Au | Hg | Tl | Pb | Bi | Po | At | Rn | ||||||||||
Fr | Ra | Ac | Th | Pa | U | Np | Pu | Am | Cm | Bk | Cf | Es | Fm | Md | No | Lr | Rf | Db | Sg | Bh | Hs | Mt | Ds | Rg | Cn | Uut | Fl | Uup | Lv | Uus | Uuo | ||||||||||
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Images for kids
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Zircon crystal (2×2 cm) from Tocantins, Brazil
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Photographic recording of the characteristic X-ray emission lines of some elements
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Hafnium-containing rocket nozzle of the Apollo Lunar Module in the lower right corner
See also
In Spanish: Hafnio para niños
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Hafnium Facts for Kids. Kiddle Encyclopedia.