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Noun: atomic number 72
- A grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons
- hafnium, Hf
Type of: metal, metallic element
Nearest
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atomic number 72
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atomic number 64
atomic number 65
atomic number 66
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atomic number 7
atomic number 70
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atomic number 72
atomic number 73
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