atomic number 72

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Definitions from WordNet

Noun atomic number 72 has 1 sense

hafnium, Hf, atomic number 72 - a gray tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons
--₁ is a kind of metallic element, metal

Definitions from the Web

Term: Atomic Number 72

Definition: Atomic number 72 refers to the number of protons found in the nucleus of an atom of the chemical element hafnium. It is also used as a unique identifier to distinguish hafnium from other elements.

Examples:

Noun: The atomic number 72 for hafnium indicates it has 72 protons in its nucleus.

Adjective: Hafnium, with an atomic number of 72, is a transition metal commonly used in the aerospace industry.

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