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METAUX TERRES RARES [1 record]
Record 1 - internal organization data 2026-03-25
Record 1, English
Record 1, Subject field(s)
- Chemistry
- Geochemistry
Record 1, Main entry term, English
- rare earth metals
1, record 1, English, rare%20earth%20metals
correct, plural
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A group of elements having atomic numbers from 57 to 71 usually with the inclusion of scandium and yttrium, which though outside this range, have similar properties. 2, record 1, English, - rare%20earth%20metals
Record number: 1, Textual support number: 1 OBS
These [metals] have the source arrangement of the two external shells of electrons in their atoms, and resemble one another very closely in chemical and physical properties, being thus most difficult to separate from each other. It is to this, rather than their actual rarity in nature, that they are so described. 3, record 1, English, - rare%20earth%20metals
Record 1, Key term(s)
- rare-earth metals
Record 1, French
Record 1, Domaine(s)
- Chimie
- Géochimie
Record 1, Main entry term, French
- métaux des terres rares
1, record 1, French, m%C3%A9taux%20des%20terres%20rares
correct, masculine noun, plural
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
On désigne sous le nom de «métaux des terres rares» quinze éléments consécutifs de la classification, allant du numéro 57 au numéro 71. Ce sont le lanthane, le cérium, le praséodyme, le néodyme, le prométhéum, le somarium, l'europium, le gadolinium, le terbium, le dysprosium, l'holmium, l'erbium, le thulium, l'hytterbium et le lutétium. À ce groupe on adjoint fréquemment le scandium et l'yttrium, de propriétés très voisines. 2, record 1, French, - m%C3%A9taux%20des%20terres%20rares
Record 1, Key term(s)
- métaux de terres rares
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Química
- Geoquímica
Record 1, Main entry term, Spanish
- metales de tierras raras
1, record 1, Spanish, metales%20de%20tierras%20raras
correct, masculine noun, plural
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
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