atomic number 39

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Definition
  1. Noun:
    • A silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminum alloys: This is the scientific name for the chemical element Yttrium. It is defined by its unique number of protons (39) in its atomic nucleus.
Usage
  • This term is used almost exclusively in scientific, technical, and academic contexts, such as chemistry, physics, geology, and materials science.
  • It serves as a precise, unambiguous identifier for the element Yttrium within the periodic table.
Examples of Usage
  • Noun:
    • The sample was found to contain traces of atomic number 39.
    • Alloys incorporating atomic number 39 exhibit increased strength.
    • The periodic table lists Yttrium at position atomic number 39.
Advanced Usage
  • In technical writing, the symbol "Z=39" is often used as a shorthand equivalent for "atomic number 39".
Variants and Related Words
  • Yttrium (Y): The common name for the element with atomic number 39.
  • Rare-earth element: A category of metallic elements to which yttrium (atomic number 39) belongs.
  • Transition metal: A broader classification in chemistry that includes this element.
Synonyms
  • Yttrium (Y): The direct and primary synonym.
Notes on Different Meanings
  • This term has only one specific meaning: it refers exclusively to the chemical element Yttrium. It is not used idiomatically or in non-scientific contexts.
Noun
  1. a silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminum alloys

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