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Iupac vs Lanthanide - What's the difference?

iupac | lanthanide |

In chemistry terms the difference between iupac and lanthanide

is that iupac is acronym of International Union of Pure and Applied Chemistry|lang=en: an organization that establishes official names of chemical elements and compounds while lanthanide is any of the 14 rare earth elements from cerium (or from lanthanum) to lutetium in the periodic table; because their outermost orbitals are empty, they have very similar chemistry; below them are the actinides.

As a proper noun IUPAC

is acronym of International Union of Pure and Applied Chemistry|lang=en: an organization that establishes official names of chemical elements and compounds.

As a noun lanthanide is

any of the 14 rare earth elements from cerium (or from lanthanum) to lutetium in the periodic table; because their outermost orbitals are empty, they have very similar chemistry; below them are the actinides.

iupac

English

(wikipedia IUPAC)

Proper noun

(en proper noun)
  • (chemistry) : an organization that establishes official names of chemical elements and compounds.

    • lanthanide

    English

    Noun

    (wikipedia lanthanide) (en noun)
  • (chemistry) Any of the 14 rare earth elements from cerium (or from lanthanum) to lutetium in the periodic table; because their outermost orbitals are empty, they have very similar chemistry; below them are the actinides.

    • Usage notes

    * According to IUPAC - "Although lanthanoid means 'like lanthanum' and so should not include lanthanum, lanthanum has become included by common usage. Similarly, actinoid. The ending 'ide' normally indicates a negative ion, and therefore lanthanoid and actinoid are preferred to lanthanide and actinide. However, lanthanide and actinide are still allowed owing to wide current use."

    Synonyms

    * lanthanate (obsolete) * lanthanoid (including lanthanum ) * lanthanon (proposed to avoid confusion with the usual meaning in chemistry of -ide ) * rare-earth element

    Derived terms

    * lanthanide contraction * lanthanide series

    See also

    * cerium * praseodymium * neodymium * promethium * samarium * europium * gadolinium * terbium * dysprosium * holmium * erbium * thulium * ytterbium * lutetium