Entrée : Oxygène - montrer la version 4
URI: https://terra-vocabulary.org/ncl/DataTerraRepositoryFairIncubator/motsClefs/c_a54bce82
[Wikipedia] Oxygen is the chemical element with the symbol O and atomic number 8. It is a member of the chalcogen group in the periodic table, a highly reactive nonmetal, and an oxidizing agent that readily forms oxides with most elements as well as with other compounds. After hydrogen and helium, oxygen is the third-most abundant element in the universe by mass. At standard temperature and pressure, two atoms of the element bind to form dioxygen, a colorless and odorless diatomic gas with the formula O. Diatomic oxygen gas currently constitutes 20.95% of the Earth's atmosphere, though this has changed considerably over long periods of time. Oxygen makes up almost half of the Earth's crust in the form of oxides.
Métadonnées principales
| est un | Concept | feature of interest |
| modifié le | 17 Nov 2023 08:31:48.133 |
| soumis par | Hélène Bressan |
| accepté le | 22 May 2023 15:01:22.541 |
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| date accepted |
22 May 2023 15:01:22.541
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| date submitted |
22 May 2023 13:21:09.476
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| definition |
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| description |
[Wikipedia] Oxygen is the chemical element with the symbol O and atomic number 8. It is a member of the chalcogen group in the periodic table, a highly reactive nonmetal, and an oxidizing agent that readily forms oxides with most elements as well as with other compounds. After hydrogen and helium, oxygen is the third-most abundant element in the universe by mass. At standard temperature and pressure, two atoms of the element bind to form dioxygen, a colorless and odorless diatomic gas with the formula O. Diatomic oxygen gas currently constitutes 20.95% of the Earth's atmosphere, though this has changed considerably over long periods of time. Oxygen makes up almost half of the Earth's crust in the form of oxides.
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Concept
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17 Nov 2023 08:31:48.133
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c_a54bce82
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mots clefs
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status experimental
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register item
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4
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Définition
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O
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| description |
[Wikipedia] Oxygen is the chemical element with the symbol O and atomic number 8. It is a member of the chalcogen group in the periodic table, a highly reactive nonmetal, and an oxidizing agent that readily forms oxides with most elements as well as with other compounds. After hydrogen and helium, oxygen is the third-most abundant element in the universe by mass. At standard temperature and pressure, two atoms of the element bind to form dioxygen, a colorless and odorless diatomic gas with the formula O. Diatomic oxygen gas currently constitutes 20.95% of the Earth's atmosphere, though this has changed considerably over long periods of time. Oxygen makes up almost half of the Earth's crust in the form of oxides.
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| exact match |
c a54bce82
| 20850
| 5982
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| in scheme |
Vocabulaire des mots clefs
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| same as |
5982
| 20850
| c a54bce82
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| top concept of |
Vocabulaire des mots clefs
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Concept
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| was attributed to |
Pôle THEIA
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