experimental
Entry: Thulium
URI: https://terra-vocabulary.org/ncl/DataTerraRepositoryFairIncubator/motsClefs/c_ff373c78
[Wikipedia] Thulium is a chemical element with the symbol Tm and atomic number 69. It is the thirteenth and third-last element in the lanthanide series. Like the other lanthanides, the most common oxidation state is +3, seen in its oxide, halides and other compounds; because it occurs so late in the series, however, the +2 oxidation state is also stabilized by the nearly full 4f shell that results. In aqueous solution, like compounds of other late lanthanides, soluble thulium compounds form coordination complexes with nine water molecules.
Core metadata
| is a | Concept | feature of interest |
| changed on | 17 Nov 2023 08:31:48.442 |
| submitted by | Hélène Bressan |
| accepted on | 22 May 2023 15:05:53.473 |
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| date accepted |
22 May 2023 15:05:53.473
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| date submitted |
22 May 2023 13:21:09.545
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| definition |
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| description |
[Wikipedia] Thulium is a chemical element with the symbol Tm and atomic number 69. It is the thirteenth and third-last element in the lanthanide series. Like the other lanthanides, the most common oxidation state is +3, seen in its oxide, halides and other compounds; because it occurs so late in the series, however, the +2 oxidation state is also stabilized by the nearly full 4f shell that results. In aqueous solution, like compounds of other late lanthanides, soluble thulium compounds form coordination complexes with nine water molecules.
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Concept
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| modified |
17 Nov 2023 08:31:48.442
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| notation |
c_ff373c78
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| register |
mots clefs
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| status |
status experimental
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register item
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| version info |
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Definition
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Tm
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| description |
[Wikipedia] Thulium is a chemical element with the symbol Tm and atomic number 69. It is the thirteenth and third-last element in the lanthanide series. Like the other lanthanides, the most common oxidation state is +3, seen in its oxide, halides and other compounds; because it occurs so late in the series, however, the +2 oxidation state is also stabilized by the nearly full 4f shell that results. In aqueous solution, like compounds of other late lanthanides, soluble thulium compounds form coordination complexes with nine water molecules.
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| exact match |
c ff373c78
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| in scheme |
Vocabulaire des mots clefs
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| same as |
c ff373c78
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| top concept of |
Vocabulaire des mots clefs
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Concept
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| was attributed to |
Pole THEIA
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