experimental
Entry: Selenium
URI: https://terra-vocabulary.org/ncl/DataTerraRepositoryFairIncubator/motsClefs/c_ef6a9bf4
[Wikipedia] Selenium is a chemical element with the symbol Se and atomic number 34. It is a nonmetal (more rarely considered a metalloid) with properties that are intermediate between the elements above and below in the periodic table, sulfur and tellurium, and also has similarities to arsenic. It rarely occurs in its elemental state or as pure ore compounds in the Earth's crust. Selenium—from Ancient Greek σελήνη (selḗnē) "Moon" – was discovered in 1817 by Jöns Jacob Berzelius, who noted the similarity of the new element to the previously discovered tellurium (named for the Earth).
Core metadata
| is a | feature of interest | Concept |
| changed on | 17 Nov 2023 08:31:48.582 |
| submitted by | Hélène Bressan |
| accepted on | 22 May 2023 14:58:28.235 |
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| date accepted |
22 May 2023 14:58:28.235
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| date submitted |
22 May 2023 13:21:09.443
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| definition |
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| description |
[Wikipedia] Selenium is a chemical element with the symbol Se and atomic number 34. It is a nonmetal (more rarely considered a metalloid) with properties that are intermediate between the elements above and below in the periodic table, sulfur and tellurium, and also has similarities to arsenic. It rarely occurs in its elemental state or as pure ore compounds in the Earth's crust. Selenium—from Ancient Greek σελήνη (selḗnē) "Moon" – was discovered in 1817 by Jöns Jacob Berzelius, who noted the similarity of the new element to the previously discovered tellurium (named for the Earth).
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feature of interest
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| modified |
17 Nov 2023 08:31:48.582
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| notation |
c_ef6a9bf4
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| register |
mots clefs
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| status |
status experimental
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register item
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Definition
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Se
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| description |
[Wikipedia] Selenium is a chemical element with the symbol Se and atomic number 34. It is a nonmetal (more rarely considered a metalloid) with properties that are intermediate between the elements above and below in the periodic table, sulfur and tellurium, and also has similarities to arsenic. It rarely occurs in its elemental state or as pure ore compounds in the Earth's crust. Selenium—from Ancient Greek σελήνη (selḗnē) "Moon" – was discovered in 1817 by Jöns Jacob Berzelius, who noted the similarity of the new element to the previously discovered tellurium (named for the Earth).
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7590
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| in scheme |
Vocabulaire des mots clefs
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| same as |
7590
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| top concept of |
Vocabulaire des mots clefs
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| type |
feature of interest
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| was attributed to |
Pole THEIA
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